30956440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3889}}^1$

素因数の和:4099

約数の個数: 32

約数和(自身を含む): 70020000

約数和(自身を除く): 39063560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3889, 3980, 7778, 7960, 15556, 19445, 31112, 38890, 77780, 155560, 773911, 1547822, 3095644, 3869555, 6191288, 7739110, 15478220, 30956440]

約数ペア:

[(1, 30956440), (2, 15478220), (4, 7739110), (5, 6191288), (8, 3869555), (10, 3095644), (20, 1547822), (40, 773911), (199, 155560), (398, 77780), (796, 38890), (995, 31112), (1592, 19445), (1990, 15556), (3889, 7960), (3980, 7778)]