64568120

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3677}}^1$

素因数の和:4127

約数の個数: 32

約数和(自身を含む): 145648800

約数和(自身を除く): 81080680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 3677, 4390, 7354, 8780, 14708, 17560, 18385, 29416, 36770, 73540, 147080, 1614203, 3228406, 6456812, 8071015, 12913624, 16142030, 32284060, 64568120]

約数ペア:

[(1, 64568120), (2, 32284060), (4, 16142030), (5, 12913624), (8, 8071015), (10, 6456812), (20, 3228406), (40, 1614203), (439, 147080), (878, 73540), (1756, 36770), (2195, 29416), (3512, 18385), (3677, 17560), (4390, 14708), (7354, 8780)]