64202920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3191}}^1$

素因数の和:3705

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 80586200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3191, 4024, 5030, 6382, 10060, 12764, 15955, 20120, 25528, 31910, 63820, 127640, 1605073, 3210146, 6420292, 8025365, 12840584, 16050730, 32101460, 64202920]

約数ペア:

[(1, 64202920), (2, 32101460), (4, 16050730), (5, 12840584), (8, 8025365), (10, 6420292), (20, 3210146), (40, 1605073), (503, 127640), (1006, 63820), (2012, 31910), (2515, 25528), (3191, 20120), (4024, 15955), (5030, 12764), (6382, 10060)]