145707920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17683}}^1$

素因数の和:17799

約数の個数: 40

約数和(自身を含む): 342079296

約数和(自身を除く): 196371376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 17683, 35366, 70732, 88415, 141464, 176830, 282928, 353660, 707320, 1414640, 1821349, 3642698, 7285396, 9106745, 14570792, 18213490, 29141584, 36426980, 72853960, 145707920]

約数ペア:

[(1, 145707920), (2, 72853960), (4, 36426980), (5, 29141584), (8, 18213490), (10, 14570792), (16, 9106745), (20, 7285396), (40, 3642698), (80, 1821349), (103, 1414640), (206, 707320), (412, 353660), (515, 282928), (824, 176830), (1030, 141464), (1648, 88415), (2060, 70732), (4120, 35366), (8240, 17683)]