54173860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 69306140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1499, 1807, 2780, 2998, 3614, 5996, 7228, 7495, 9035, 14990, 18070, 19487, 29980, 36140, 38974, 77948, 97435, 194870, 208361, 389740, 416722, 833444, 1041805, 2083610, 2708693, 4167220, 5417386, 10834772, 13543465, 27086930, 54173860]

約数ペア:

[(1, 54173860), (2, 27086930), (4, 13543465), (5, 10834772), (10, 5417386), (13, 4167220), (20, 2708693), (26, 2083610), (52, 1041805), (65, 833444), (130, 416722), (139, 389740), (260, 208361), (278, 194870), (556, 97435), (695, 77948), (1390, 38974), (1499, 36140), (1807, 29980), (2780, 19487), (2998, 18070), (3614, 14990), (5996, 9035), (7228, 7495)]