8407750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 17128800

約数和(自身を除く): 8721050

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 199, 250, 325, 338, 398, 650, 845, 995, 1625, 1690, 1990, 2587, 3250, 4225, 4975, 5174, 8450, 9950, 12935, 21125, 24875, 25870, 33631, 42250, 49750, 64675, 67262, 129350, 168155, 323375, 336310, 646750, 840775, 1681550, 4203875, 8407750]

約数ペア:

[(1, 8407750), (2, 4203875), (5, 1681550), (10, 840775), (13, 646750), (25, 336310), (26, 323375), (50, 168155), (65, 129350), (125, 67262), (130, 64675), (169, 49750), (199, 42250), (250, 33631), (325, 25870), (338, 24875), (398, 21125), (650, 12935), (845, 9950), (995, 8450), (1625, 5174), (1690, 4975), (1990, 4225), (2587, 3250)]