210141640

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{3257}}^1$

素因数の和:4881

約数の個数: 32

約数和(自身を含む): 473257080

約数和(自身を除く): 263115440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 3226, 3257, 6452, 6514, 8065, 12904, 13028, 16130, 16285, 26056, 32260, 32570, 64520, 65140, 130280, 5253541, 10507082, 21014164, 26267705, 42028328, 52535410, 105070820, 210141640]

約数ペア:

[(1, 210141640), (2, 105070820), (4, 52535410), (5, 42028328), (8, 26267705), (10, 21014164), (20, 10507082), (40, 5253541), (1613, 130280), (3226, 65140), (3257, 64520), (6452, 32570), (6514, 32260), (8065, 26056), (12904, 16285), (13028, 16130)]