201219645320

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{6127273}}^1$

素因数の和:6128105

約数の個数: 32

約数和(自身を含む): 453295730520

約数和(自身を除く): 252076085200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6568, 8210, 16420, 32840, 6127273, 12254546, 24509092, 30636365, 49018184, 61272730, 122545460, 245090920, 5030491133, 10060982266, 20121964532, 25152455665, 40243929064, 50304911330, 100609822660, 201219645320]

約数ペア:

[(1, 201219645320), (2, 100609822660), (4, 50304911330), (5, 40243929064), (8, 25152455665), (10, 20121964532), (20, 10060982266), (40, 5030491133), (821, 245090920), (1642, 122545460), (3284, 61272730), (4105, 49018184), (6568, 30636365), (8210, 24509092), (16420, 12254546), (32840, 6127273)]