64565080

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3209}}^1$

素因数の和:3723

約数の個数: 32

約数和(自身を含む): 145605600

約数和(自身を除く): 81040520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3209, 4024, 5030, 6418, 10060, 12836, 16045, 20120, 25672, 32090, 64180, 128360, 1614127, 3228254, 6456508, 8070635, 12913016, 16141270, 32282540, 64565080]

約数ペア:

[(1, 64565080), (2, 32282540), (4, 16141270), (5, 12913016), (8, 8070635), (10, 6456508), (20, 3228254), (40, 1614127), (503, 128360), (1006, 64180), (2012, 32090), (2515, 25672), (3209, 20120), (4024, 16045), (5030, 12836), (6418, 10060)]