215608520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{47701}}^1$

素因数の和:47825

約数の個数: 32

約数和(自身を含む): 489422520

約数和(自身を除く): 273814000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 47701, 95402, 190804, 238505, 381608, 477010, 954020, 1908040, 5390213, 10780426, 21560852, 26951065, 43121704, 53902130, 107804260, 215608520]

約数ペア:

[(1, 215608520), (2, 107804260), (4, 53902130), (5, 43121704), (8, 26951065), (10, 21560852), (20, 10780426), (40, 5390213), (113, 1908040), (226, 954020), (452, 477010), (565, 381608), (904, 238505), (1130, 190804), (2260, 95402), (4520, 47701)]