136877240

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2111}}^1$

素因数の和:3743

約数の個数: 32

約数和(自身を含む): 308309760

約数和(自身を除く): 171432520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 2111, 3242, 4222, 6484, 8105, 8444, 10555, 12968, 16210, 16888, 21110, 32420, 42220, 64840, 84440, 3421931, 6843862, 13687724, 17109655, 27375448, 34219310, 68438620, 136877240]

約数ペア:

[(1, 136877240), (2, 68438620), (4, 34219310), (5, 27375448), (8, 17109655), (10, 13687724), (20, 6843862), (40, 3421931), (1621, 84440), (2111, 64840), (3242, 42220), (4222, 32420), (6484, 21110), (8105, 16888), (8444, 16210), (10555, 12968)]