25530940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 32215364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1231, 2074, 2462, 4148, 4924, 5185, 6155, 10370, 12310, 20740, 20927, 24620, 41854, 75091, 83708, 104635, 150182, 209270, 300364, 375455, 418540, 750910, 1276547, 1501820, 2553094, 5106188, 6382735, 12765470, 25530940]

約数ペア:

[(1, 25530940), (2, 12765470), (4, 6382735), (5, 5106188), (10, 2553094), (17, 1501820), (20, 1276547), (34, 750910), (61, 418540), (68, 375455), (85, 300364), (122, 209270), (170, 150182), (244, 104635), (305, 83708), (340, 75091), (610, 41854), (1037, 24620), (1220, 20927), (1231, 20740), (2074, 12310), (2462, 10370), (4148, 6155), (4924, 5185)]