620750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 1257984

約数和(自身を除く): 637234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 191, 250, 325, 382, 650, 955, 1625, 1910, 2483, 3250, 4775, 4966, 9550, 12415, 23875, 24830, 47750, 62075, 124150, 310375, 620750]

約数ペア:

[(1, 620750), (2, 310375), (5, 124150), (10, 62075), (13, 47750), (25, 24830), (26, 23875), (50, 12415), (65, 9550), (125, 4966), (130, 4775), (191, 3250), (250, 2483), (325, 1910), (382, 1625), (650, 955)]