82553740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 177738624

約数和(自身を除く): 95184884

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 157, 244, 305, 314, 431, 610, 628, 785, 862, 1220, 1570, 1724, 2155, 3140, 4310, 8620, 9577, 19154, 26291, 38308, 47885, 52582, 67667, 95770, 105164, 131455, 135334, 191540, 262910, 270668, 338335, 525820, 676670, 1353340, 4127687, 8255374, 16510748, 20638435, 41276870, 82553740]

約数ペア:

[(1, 82553740), (2, 41276870), (4, 20638435), (5, 16510748), (10, 8255374), (20, 4127687), (61, 1353340), (122, 676670), (157, 525820), (244, 338335), (305, 270668), (314, 262910), (431, 191540), (610, 135334), (628, 131455), (785, 105164), (862, 95770), (1220, 67667), (1570, 52582), (1724, 47885), (2155, 38308), (3140, 26291), (4310, 19154), (8620, 9577)]