64029880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51637}}^1$

素因数の和:51679

約数の個数: 32

約数和(自身を含む): 148717440

約数和(自身を除く): 84687560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51637, 103274, 206548, 258185, 413096, 516370, 1032740, 1600747, 2065480, 3201494, 6402988, 8003735, 12805976, 16007470, 32014940, 64029880]

約数ペア:

[(1, 64029880), (2, 32014940), (4, 16007470), (5, 12805976), (8, 8003735), (10, 6402988), (20, 3201494), (31, 2065480), (40, 1600747), (62, 1032740), (124, 516370), (155, 413096), (248, 258185), (310, 206548), (620, 103274), (1240, 51637)]