128276560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94321}}^1$

素因数の和:94351

約数の個数: 40

約数和(自身を含む): 315790056

約数和(自身を除く): 187513496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 94321, 188642, 377284, 471605, 754568, 943210, 1509136, 1603457, 1886420, 3206914, 3772840, 6413828, 7545680, 8017285, 12827656, 16034570, 25655312, 32069140, 64138280, 128276560]

約数ペア:

[(1, 128276560), (2, 64138280), (4, 32069140), (5, 25655312), (8, 16034570), (10, 12827656), (16, 8017285), (17, 7545680), (20, 6413828), (34, 3772840), (40, 3206914), (68, 1886420), (80, 1603457), (85, 1509136), (136, 943210), (170, 754568), (272, 471605), (340, 377284), (680, 188642), (1360, 94321)]