67775620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 88262780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 1289, 2390, 2578, 2629, 4780, 5156, 5258, 6445, 10516, 12890, 13145, 14179, 25780, 26290, 28358, 52580, 56716, 70895, 141790, 283580, 308071, 616142, 1232284, 1540355, 3080710, 3388781, 6161420, 6777562, 13555124, 16943905, 33887810, 67775620]

約数ペア:

[(1, 67775620), (2, 33887810), (4, 16943905), (5, 13555124), (10, 6777562), (11, 6161420), (20, 3388781), (22, 3080710), (44, 1540355), (55, 1232284), (110, 616142), (220, 308071), (239, 283580), (478, 141790), (956, 70895), (1195, 56716), (1289, 52580), (2390, 28358), (2578, 26290), (2629, 25780), (4780, 14179), (5156, 13145), (5258, 12890), (6445, 10516)]