213507040

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31033}}^1$

素因数の和:31091

約数の個数: 48

約数和(自身を含む): 516157488

約数和(自身を除く): 302650448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 31033, 62066, 124132, 155165, 248264, 310330, 496528, 620660, 993056, 1241320, 1334419, 2482640, 2668838, 4965280, 5337676, 6672095, 10675352, 13344190, 21350704, 26688380, 42701408, 53376760, 106753520, 213507040]

約数ペア:

[(1, 213507040), (2, 106753520), (4, 53376760), (5, 42701408), (8, 26688380), (10, 21350704), (16, 13344190), (20, 10675352), (32, 6672095), (40, 5337676), (43, 4965280), (80, 2668838), (86, 2482640), (160, 1334419), (172, 1241320), (215, 993056), (344, 620660), (430, 496528), (688, 310330), (860, 248264), (1376, 155165), (1720, 124132), (3440, 62066), (6880, 31033)]