87384520

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1801}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 196886520

約数和(自身を除く): 109502000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1801, 2426, 3602, 4852, 6065, 7204, 9005, 9704, 12130, 14408, 18010, 24260, 36020, 48520, 72040, 2184613, 4369226, 8738452, 10923065, 17476904, 21846130, 43692260, 87384520]

約数ペア:

[(1, 87384520), (2, 43692260), (4, 21846130), (5, 17476904), (8, 10923065), (10, 8738452), (20, 4369226), (40, 2184613), (1213, 72040), (1801, 48520), (2426, 36020), (3602, 24260), (4852, 18010), (6065, 14408), (7204, 12130), (9005, 9704)]