64263520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5657}}^1$

素因数の和:5743

約数の個数: 48

約数和(自身を含む): 153988128

約数和(自身を除く): 89724608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5657, 5680, 11314, 11360, 22628, 28285, 45256, 56570, 90512, 113140, 181024, 226280, 401647, 452560, 803294, 905120, 1606588, 2008235, 3213176, 4016470, 6426352, 8032940, 12852704, 16065880, 32131760, 64263520]

約数ペア:

[(1, 64263520), (2, 32131760), (4, 16065880), (5, 12852704), (8, 8032940), (10, 6426352), (16, 4016470), (20, 3213176), (32, 2008235), (40, 1606588), (71, 905120), (80, 803294), (142, 452560), (160, 401647), (284, 226280), (355, 181024), (568, 113140), (710, 90512), (1136, 56570), (1420, 45256), (2272, 28285), (2840, 22628), (5657, 11360), (5680, 11314)]