2080990840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{272381}}^1$

素因数の和:272583

約数の個数: 32

約数和(自身を含む): 4706760960

約数和(自身を除く): 2625770120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 272381, 544762, 1089524, 1361905, 2179048, 2723810, 5447620, 10895240, 52024771, 104049542, 208099084, 260123855, 416198168, 520247710, 1040495420, 2080990840]

約数ペア:

[(1, 2080990840), (2, 1040495420), (4, 520247710), (5, 416198168), (8, 260123855), (10, 208099084), (20, 104049542), (40, 52024771), (191, 10895240), (382, 5447620), (764, 2723810), (955, 2179048), (1528, 1361905), (1910, 1089524), (3820, 544762), (7640, 272381)]