9879080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 23057460

約数和(自身を除く): 13178380

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 961, 1028, 1240, 1285, 1922, 2056, 2570, 3844, 4805, 5140, 7688, 7967, 9610, 10280, 15934, 19220, 31868, 38440, 39835, 63736, 79670, 159340, 246977, 318680, 493954, 987908, 1234885, 1975816, 2469770, 4939540, 9879080]

約数ペア:

[(1, 9879080), (2, 4939540), (4, 2469770), (5, 1975816), (8, 1234885), (10, 987908), (20, 493954), (31, 318680), (40, 246977), (62, 159340), (124, 79670), (155, 63736), (248, 39835), (257, 38440), (310, 31868), (514, 19220), (620, 15934), (961, 10280), (1028, 9610), (1240, 7967), (1285, 7688), (1922, 5140), (2056, 4805), (2570, 3844)]