87456820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1201}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 201128256

約数和(自身を除く): 113671436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1201, 1324, 1655, 2402, 3310, 3641, 4804, 6005, 6620, 7282, 12010, 13211, 14564, 18205, 24020, 26422, 36410, 52844, 66055, 72820, 132110, 264220, 397531, 795062, 1590124, 1987655, 3975310, 4372841, 7950620, 8745682, 17491364, 21864205, 43728410, 87456820]

約数ペア:

[(1, 87456820), (2, 43728410), (4, 21864205), (5, 17491364), (10, 8745682), (11, 7950620), (20, 4372841), (22, 3975310), (44, 1987655), (55, 1590124), (110, 795062), (220, 397531), (331, 264220), (662, 132110), (1201, 72820), (1324, 66055), (1655, 52844), (2402, 36410), (3310, 26422), (3641, 24020), (4804, 18205), (6005, 14564), (6620, 13211), (7282, 12010)]