40621568

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 92806560

約数和(自身を除く): 52184992

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 359, 416, 442, 512, 544, 718, 832, 884, 1088, 1436, 1664, 1768, 2176, 2872, 3328, 3536, 4352, 4667, 5744, 6103, 6656, 7072, 8704, 9334, 11488, 12206, 14144, 18668, 22976, 24412, 28288, 37336, 45952, 48824, 56576, 74672, 79339, 91904, 97648, 113152, 149344, 158678, 183808, 195296, 298688, 317356, 390592, 597376, 634712, 781184, 1194752, 1269424, 1562368, 2389504, 2538848, 3124736, 5077696, 10155392, 20310784, 40621568]

約数ペア:

[(1, 40621568), (2, 20310784), (4, 10155392), (8, 5077696), (13, 3124736), (16, 2538848), (17, 2389504), (26, 1562368), (32, 1269424), (34, 1194752), (52, 781184), (64, 634712), (68, 597376), (104, 390592), (128, 317356), (136, 298688), (208, 195296), (221, 183808), (256, 158678), (272, 149344), (359, 113152), (416, 97648), (442, 91904), (512, 79339), (544, 74672), (718, 56576), (832, 48824), (884, 45952), (1088, 37336), (1436, 28288), (1664, 24412), (1768, 22976), (2176, 18668), (2872, 14144), (3328, 12206), (3536, 11488), (4352, 9334), (4667, 8704), (5744, 7072), (6103, 6656)]