40420016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 107993088

約数和(自身を除く): 67573072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 23, 26, 28, 34, 46, 52, 56, 68, 71, 91, 92, 104, 112, 119, 136, 142, 161, 182, 184, 208, 221, 238, 272, 284, 299, 322, 364, 368, 391, 442, 476, 497, 568, 598, 644, 728, 782, 884, 923, 952, 994, 1136, 1196, 1207, 1288, 1456, 1547, 1564, 1633, 1768, 1846, 1904, 1988, 2093, 2392, 2414, 2576, 2737, 3094, 3128, 3266, 3536, 3692, 3976, 4186, 4784, 4828, 5083, 5474, 6188, 6256, 6461, 6532, 7384, 7952, 8372, 8449, 9656, 10166, 10948, 11431, 12376, 12922, 13064, 14768, 15691, 16744, 16898, 19312, 20332, 21229, 21896, 22862, 24752, 25844, 26128, 27761, 31382, 33488, 33796, 35581, 40664, 42458, 43792, 45724, 51688, 55522, 62764, 67592, 71162, 81328, 84916, 91448, 103376, 109837, 111044, 125528, 135184, 142324, 148603, 169832, 182896, 194327, 219674, 222088, 251056, 284648, 297206, 339664, 360893, 388654, 439348, 444176, 569296, 594412, 721786, 777308, 878696, 1188824, 1443572, 1554616, 1757392, 2377648, 2526251, 2887144, 3109232, 5052502, 5774288, 10105004, 20210008, 40420016]

約数ペア:

[(1, 40420016), (2, 20210008), (4, 10105004), (7, 5774288), (8, 5052502), (13, 3109232), (14, 2887144), (16, 2526251), (17, 2377648), (23, 1757392), (26, 1554616), (28, 1443572), (34, 1188824), (46, 878696), (52, 777308), (56, 721786), (68, 594412), (71, 569296), (91, 444176), (92, 439348), (104, 388654), (112, 360893), (119, 339664), (136, 297206), (142, 284648), (161, 251056), (182, 222088), (184, 219674), (208, 194327), (221, 182896), (238, 169832), (272, 148603), (284, 142324), (299, 135184), (322, 125528), (364, 111044), (368, 109837), (391, 103376), (442, 91448), (476, 84916), (497, 81328), (568, 71162), (598, 67592), (644, 62764), (728, 55522), (782, 51688), (884, 45724), (923, 43792), (952, 42458), (994, 40664), (1136, 35581), (1196, 33796), (1207, 33488), (1288, 31382), (1456, 27761), (1547, 26128), (1564, 25844), (1633, 24752), (1768, 22862), (1846, 21896), (1904, 21229), (1988, 20332), (2093, 19312), (2392, 16898), (2414, 16744), (2576, 15691), (2737, 14768), (3094, 13064), (3128, 12922), (3266, 12376), (3536, 11431), (3692, 10948), (3976, 10166), (4186, 9656), (4784, 8449), (4828, 8372), (5083, 7952), (5474, 7384), (6188, 6532), (6256, 6461)]