51935540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 113401344

約数和(自身を除く): 61465804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 397, 422, 620, 794, 844, 1055, 1588, 1985, 2110, 3970, 4220, 6541, 7940, 12307, 13082, 24614, 26164, 32705, 49228, 61535, 65410, 83767, 123070, 130820, 167534, 246140, 335068, 418835, 837670, 1675340, 2596777, 5193554, 10387108, 12983885, 25967770, 51935540]

約数ペア:

[(1, 51935540), (2, 25967770), (4, 12983885), (5, 10387108), (10, 5193554), (20, 2596777), (31, 1675340), (62, 837670), (124, 418835), (155, 335068), (211, 246140), (310, 167534), (397, 130820), (422, 123070), (620, 83767), (794, 65410), (844, 61535), (1055, 49228), (1588, 32705), (1985, 26164), (2110, 24614), (3970, 13082), (4220, 12307), (6541, 7940)]