218532080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210127}}^1$

素因数の和:210153

約数の個数: 40

約数和(自身を含む): 547173312

約数和(自身を除く): 328641232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 210127, 420254, 840508, 1050635, 1681016, 2101270, 2731651, 3362032, 4202540, 5463302, 8405080, 10926604, 13658255, 16810160, 21853208, 27316510, 43706416, 54633020, 109266040, 218532080]

約数ペア:

[(1, 218532080), (2, 109266040), (4, 54633020), (5, 43706416), (8, 27316510), (10, 21853208), (13, 16810160), (16, 13658255), (20, 10926604), (26, 8405080), (40, 5463302), (52, 4202540), (65, 3362032), (80, 2731651), (104, 2101270), (130, 1681016), (208, 1050635), (260, 840508), (520, 420254), (1040, 210127)]