22315280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 57288000

約数和(自身を除く): 34972720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 499, 520, 559, 688, 860, 998, 1040, 1118, 1720, 1996, 2236, 2495, 2795, 3440, 3992, 4472, 4990, 5590, 6487, 7984, 8944, 9980, 11180, 12974, 19960, 21457, 22360, 25948, 32435, 39920, 42914, 44720, 51896, 64870, 85828, 103792, 107285, 129740, 171656, 214570, 259480, 278941, 343312, 429140, 518960, 557882, 858280, 1115764, 1394705, 1716560, 2231528, 2789410, 4463056, 5578820, 11157640, 22315280]

約数ペア:

[(1, 22315280), (2, 11157640), (4, 5578820), (5, 4463056), (8, 2789410), (10, 2231528), (13, 1716560), (16, 1394705), (20, 1115764), (26, 858280), (40, 557882), (43, 518960), (52, 429140), (65, 343312), (80, 278941), (86, 259480), (104, 214570), (130, 171656), (172, 129740), (208, 107285), (215, 103792), (260, 85828), (344, 64870), (430, 51896), (499, 44720), (520, 42914), (559, 39920), (688, 32435), (860, 25948), (998, 22360), (1040, 21457), (1118, 19960), (1720, 12974), (1996, 11180), (2236, 9980), (2495, 8944), (2795, 7984), (3440, 6487), (3992, 5590), (4472, 4990)]