42155800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 98821800

約数和(自身を除く): 56666000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 1609, 2620, 3218, 3275, 5240, 6436, 6550, 8045, 12872, 13100, 16090, 26200, 32180, 40225, 64360, 80450, 160900, 210779, 321800, 421558, 843116, 1053895, 1686232, 2107790, 4215580, 5269475, 8431160, 10538950, 21077900, 42155800]

約数ペア:

[(1, 42155800), (2, 21077900), (4, 10538950), (5, 8431160), (8, 5269475), (10, 4215580), (20, 2107790), (25, 1686232), (40, 1053895), (50, 843116), (100, 421558), (131, 321800), (200, 210779), (262, 160900), (524, 80450), (655, 64360), (1048, 40225), (1310, 32180), (1609, 26200), (2620, 16090), (3218, 13100), (3275, 12872), (5240, 8045), (6436, 6550)]