8639125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 12070656

約数和(自身を除く): 3431531

約数列:

[1, 5, 11, 25, 55, 61, 103, 125, 275, 305, 515, 671, 1133, 1375, 1525, 2575, 3355, 5665, 6283, 7625, 12875, 16775, 28325, 31415, 69113, 83875, 141625, 157075, 345565, 785375, 1727825, 8639125]

約数ペア:

[(1, 8639125), (5, 1727825), (11, 785375), (25, 345565), (55, 157075), (61, 141625), (103, 83875), (125, 69113), (275, 31415), (305, 28325), (515, 16775), (671, 12875), (1133, 7625), (1375, 6283), (1525, 5665), (2575, 3355)]