71747920

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1783}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 167239296

約数和(自身を除く): 95491376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 1783, 2012, 2515, 3566, 4024, 5030, 7132, 8048, 8915, 10060, 14264, 17830, 20120, 28528, 35660, 40240, 71320, 142640, 896849, 1793698, 3587396, 4484245, 7174792, 8968490, 14349584, 17936980, 35873960, 71747920]

約数ペア:

[(1, 71747920), (2, 35873960), (4, 17936980), (5, 14349584), (8, 8968490), (10, 7174792), (16, 4484245), (20, 3587396), (40, 1793698), (80, 896849), (503, 142640), (1006, 71320), (1783, 40240), (2012, 35660), (2515, 28528), (3566, 20120), (4024, 17830), (5030, 14264), (7132, 10060), (8048, 8915)]