71297320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104849}}^1$

素因数の和:104877

約数の個数: 32

約数和(自身を含む): 169857000

約数和(自身を除く): 98559680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 104849, 209698, 419396, 524245, 838792, 1048490, 1782433, 2096980, 3564866, 4193960, 7129732, 8912165, 14259464, 17824330, 35648660, 71297320]

約数ペア:

[(1, 71297320), (2, 35648660), (4, 17824330), (5, 14259464), (8, 8912165), (10, 7129732), (17, 4193960), (20, 3564866), (34, 2096980), (40, 1782433), (68, 1048490), (85, 838792), (136, 524245), (170, 419396), (340, 209698), (680, 104849)]