40008072

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 120355200

約数和(自身を除く): 80347128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 312, 323, 397, 408, 442, 456, 494, 646, 663, 741, 794, 884, 969, 988, 1191, 1292, 1326, 1482, 1588, 1768, 1938, 1976, 2382, 2584, 2652, 2964, 3176, 3876, 4199, 4764, 5161, 5304, 5928, 6749, 7543, 7752, 8398, 9528, 10322, 12597, 13498, 15086, 15483, 16796, 20247, 20644, 22629, 25194, 26996, 30172, 30966, 33592, 40494, 41288, 45258, 50388, 53992, 60344, 61932, 80988, 87737, 90516, 98059, 100776, 123864, 128231, 161976, 175474, 181032, 196118, 256462, 263211, 294177, 350948, 384693, 392236, 512924, 526422, 588354, 701896, 769386, 784472, 1025848, 1052844, 1176708, 1538772, 1667003, 2105688, 2353416, 3077544, 3334006, 5001009, 6668012, 10002018, 13336024, 20004036, 40008072]

約数ペア:

[(1, 40008072), (2, 20004036), (3, 13336024), (4, 10002018), (6, 6668012), (8, 5001009), (12, 3334006), (13, 3077544), (17, 2353416), (19, 2105688), (24, 1667003), (26, 1538772), (34, 1176708), (38, 1052844), (39, 1025848), (51, 784472), (52, 769386), (57, 701896), (68, 588354), (76, 526422), (78, 512924), (102, 392236), (104, 384693), (114, 350948), (136, 294177), (152, 263211), (156, 256462), (204, 196118), (221, 181032), (228, 175474), (247, 161976), (312, 128231), (323, 123864), (397, 100776), (408, 98059), (442, 90516), (456, 87737), (494, 80988), (646, 61932), (663, 60344), (741, 53992), (794, 50388), (884, 45258), (969, 41288), (988, 40494), (1191, 33592), (1292, 30966), (1326, 30172), (1482, 26996), (1588, 25194), (1768, 22629), (1938, 20644), (1976, 20247), (2382, 16796), (2584, 15483), (2652, 15086), (2964, 13498), (3176, 12597), (3876, 10322), (4199, 9528), (4764, 8398), (5161, 7752), (5304, 7543), (5928, 6749)]