11157640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 27720000

約数和(自身を除く): 16562360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 499, 520, 559, 860, 998, 1118, 1720, 1996, 2236, 2495, 2795, 3992, 4472, 4990, 5590, 6487, 9980, 11180, 12974, 19960, 21457, 22360, 25948, 32435, 42914, 51896, 64870, 85828, 107285, 129740, 171656, 214570, 259480, 278941, 429140, 557882, 858280, 1115764, 1394705, 2231528, 2789410, 5578820, 11157640]

約数ペア:

[(1, 11157640), (2, 5578820), (4, 2789410), (5, 2231528), (8, 1394705), (10, 1115764), (13, 858280), (20, 557882), (26, 429140), (40, 278941), (43, 259480), (52, 214570), (65, 171656), (86, 129740), (104, 107285), (130, 85828), (172, 64870), (215, 51896), (260, 42914), (344, 32435), (430, 25948), (499, 22360), (520, 21457), (559, 19960), (860, 12974), (998, 11180), (1118, 9980), (1720, 6487), (1996, 5590), (2236, 4990), (2495, 4472), (2795, 3992)]