2008157080

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{99809}}^1$

素因数の和:100323

約数の個数: 32

約数和(自身を含む): 4527381600

約数和(自身を除く): 2519224520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 99809, 199618, 399236, 499045, 798472, 998090, 1996180, 3992360, 50203927, 100407854, 200815708, 251019635, 401631416, 502039270, 1004078540, 2008157080]

約数ペア:

[(1, 2008157080), (2, 1004078540), (4, 502039270), (5, 401631416), (8, 251019635), (10, 200815708), (20, 100407854), (40, 50203927), (503, 3992360), (1006, 1996180), (2012, 998090), (2515, 798472), (4024, 499045), (5030, 399236), (10060, 199618), (20120, 99809)]