5158280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2999}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 11880000

約数和(自身を除く): 6721720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2999, 5998, 11996, 14995, 23992, 29990, 59980, 119960, 128957, 257914, 515828, 644785, 1031656, 1289570, 2579140, 5158280]

約数ペア:

[(1, 5158280), (2, 2579140), (4, 1289570), (5, 1031656), (8, 644785), (10, 515828), (20, 257914), (40, 128957), (43, 119960), (86, 59980), (172, 29990), (215, 23992), (344, 14995), (430, 11996), (860, 5998), (1720, 2999)]