64486180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1867}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 148752576

約数和(自身を除く): 84266396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 1867, 3140, 3454, 3734, 6908, 7468, 8635, 9335, 17270, 18670, 20537, 34540, 37340, 41074, 82148, 102685, 205370, 293119, 410740, 586238, 1172476, 1465595, 2931190, 3224309, 5862380, 6448618, 12897236, 16121545, 32243090, 64486180]

約数ペア:

[(1, 64486180), (2, 32243090), (4, 16121545), (5, 12897236), (10, 6448618), (11, 5862380), (20, 3224309), (22, 2931190), (44, 1465595), (55, 1172476), (110, 586238), (157, 410740), (220, 293119), (314, 205370), (628, 102685), (785, 82148), (1570, 41074), (1727, 37340), (1867, 34540), (3140, 20537), (3454, 18670), (3734, 17270), (6908, 9335), (7468, 8635)]