40696448

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 89806920

約数和(自身を除く): 49110472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 416, 481, 592, 661, 832, 962, 1184, 1322, 1664, 1924, 2368, 2644, 3848, 4736, 5288, 7696, 8593, 10576, 15392, 17186, 21152, 24457, 30784, 34372, 42304, 48914, 61568, 68744, 84608, 97828, 137488, 195656, 274976, 317941, 391312, 549952, 635882, 782624, 1099904, 1271764, 1565248, 2543528, 3130496, 5087056, 10174112, 20348224, 40696448]

約数ペア:

[(1, 40696448), (2, 20348224), (4, 10174112), (8, 5087056), (13, 3130496), (16, 2543528), (26, 1565248), (32, 1271764), (37, 1099904), (52, 782624), (64, 635882), (74, 549952), (104, 391312), (128, 317941), (148, 274976), (208, 195656), (296, 137488), (416, 97828), (481, 84608), (592, 68744), (661, 61568), (832, 48914), (962, 42304), (1184, 34372), (1322, 30784), (1664, 24457), (1924, 21152), (2368, 17186), (2644, 15392), (3848, 10576), (4736, 8593), (5288, 7696)]