64915240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4082

約数の個数: 64

約数和(自身を含む): 162408960

約数和(自身を除く): 97493720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4027, 4030, 8054, 8060, 16108, 16120, 20135, 32216, 40270, 52351, 80540, 104702, 124837, 161080, 209404, 249674, 261755, 418808, 499348, 523510, 624185, 998696, 1047020, 1248370, 1622881, 2094040, 2496740, 3245762, 4993480, 6491524, 8114405, 12983048, 16228810, 32457620, 64915240]

約数ペア:

[(1, 64915240), (2, 32457620), (4, 16228810), (5, 12983048), (8, 8114405), (10, 6491524), (13, 4993480), (20, 3245762), (26, 2496740), (31, 2094040), (40, 1622881), (52, 1248370), (62, 1047020), (65, 998696), (104, 624185), (124, 523510), (130, 499348), (155, 418808), (248, 261755), (260, 249674), (310, 209404), (403, 161080), (520, 124837), (620, 104702), (806, 80540), (1240, 52351), (1612, 40270), (2015, 32216), (3224, 20135), (4027, 16120), (4030, 16108), (8054, 8060)]