87621820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30637}}^1$

素因数の和:30670

約数の個数: 48

約数和(自身を含む): 216181728

約数和(自身を除く): 128559908

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 30637, 61274, 122548, 153185, 306370, 337007, 398281, 612740, 674014, 796562, 1348028, 1593124, 1685035, 1991405, 3370070, 3982810, 4381091, 6740140, 7965620, 8762182, 17524364, 21905455, 43810910, 87621820]

約数ペア:

[(1, 87621820), (2, 43810910), (4, 21905455), (5, 17524364), (10, 8762182), (11, 7965620), (13, 6740140), (20, 4381091), (22, 3982810), (26, 3370070), (44, 1991405), (52, 1685035), (55, 1593124), (65, 1348028), (110, 796562), (130, 674014), (143, 612740), (220, 398281), (260, 337007), (286, 306370), (572, 153185), (715, 122548), (1430, 61274), (2860, 30637)]