2488342840

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{38567}}^1$

素因数の和:40191

約数の個数: 32

約数和(自身を含む): 5602387680

約数和(自身を除く): 3114044840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 3226, 6452, 8065, 12904, 16130, 32260, 38567, 64520, 77134, 154268, 192835, 308536, 385670, 771340, 1542680, 62208571, 124417142, 248834284, 311042855, 497668568, 622085710, 1244171420, 2488342840]

約数ペア:

[(1, 2488342840), (2, 1244171420), (4, 622085710), (5, 497668568), (8, 311042855), (10, 248834284), (20, 124417142), (40, 62208571), (1613, 1542680), (3226, 771340), (6452, 385670), (8065, 308536), (12904, 192835), (16130, 154268), (32260, 77134), (38567, 64520)]