8788880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1875

約数の個数: 40

約数和(自身を含む): 20780664

約数和(自身を除く): 11991784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1801, 2440, 3602, 4880, 7204, 9005, 14408, 18010, 28816, 36020, 72040, 109861, 144080, 219722, 439444, 549305, 878888, 1098610, 1757776, 2197220, 4394440, 8788880]

約数ペア:

[(1, 8788880), (2, 4394440), (4, 2197220), (5, 1757776), (8, 1098610), (10, 878888), (16, 549305), (20, 439444), (40, 219722), (61, 144080), (80, 109861), (122, 72040), (244, 36020), (305, 28816), (488, 18010), (610, 14408), (976, 9005), (1220, 7204), (1801, 4880), (2440, 3602)]