173612680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42139}}^1$

素因数の和:42253

約数の個数: 32

約数和(自身を含む): 394430400

約数和(自身を除く): 220817720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 42139, 84278, 168556, 210695, 337112, 421390, 842780, 1685560, 4340317, 8680634, 17361268, 21701585, 34722536, 43403170, 86806340, 173612680]

約数ペア:

[(1, 173612680), (2, 86806340), (4, 43403170), (5, 34722536), (8, 21701585), (10, 17361268), (20, 8680634), (40, 4340317), (103, 1685560), (206, 842780), (412, 421390), (515, 337112), (824, 210695), (1030, 168556), (2060, 84278), (4120, 42139)]