20121056320

素因数分解:

$2^6\times 5^1\times {\mathrm{62878301}}^1$

素因数の和:62878318

約数の個数: 28

約数和(自身を含む): 47913266124

約数和(自身を除く): 27792209804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62878301, 125756602, 251513204, 314391505, 503026408, 628783010, 1006052816, 1257566020, 2012105632, 2515132040, 4024211264, 5030264080, 10060528160, 20121056320]

約数ペア:

[(1, 20121056320), (2, 10060528160), (4, 5030264080), (5, 4024211264), (8, 2515132040), (10, 2012105632), (16, 1257566020), (20, 1006052816), (32, 628783010), (40, 503026408), (64, 314391505), (80, 251513204), (160, 125756602), (320, 62878301)]