71244920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3541}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 160665120

約数和(自身を除く): 89420200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3541, 4024, 5030, 7082, 10060, 14164, 17705, 20120, 28328, 35410, 70820, 141640, 1781123, 3562246, 7124492, 8905615, 14248984, 17811230, 35622460, 71244920]

約数ペア:

[(1, 71244920), (2, 35622460), (4, 17811230), (5, 14248984), (8, 8905615), (10, 7124492), (20, 3562246), (40, 1781123), (503, 141640), (1006, 70820), (2012, 35410), (2515, 28328), (3541, 20120), (4024, 17705), (5030, 14164), (7082, 10060)]