15958160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4639}}^1$

素因数の和:4695

約数の個数: 40

約数和(自身を含む): 37973760

約数和(自身を除く): 22015600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4639, 9278, 18556, 23195, 37112, 46390, 74224, 92780, 185560, 199477, 371120, 398954, 797908, 997385, 1595816, 1994770, 3191632, 3989540, 7979080, 15958160]

約数ペア:

[(1, 15958160), (2, 7979080), (4, 3989540), (5, 3191632), (8, 1994770), (10, 1595816), (16, 997385), (20, 797908), (40, 398954), (43, 371120), (80, 199477), (86, 185560), (172, 92780), (215, 74224), (344, 46390), (430, 37112), (688, 23195), (860, 18556), (1720, 9278), (3440, 4639)]