66478750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4126

約数の個数: 40

約数和(自身を含む): 134225784

約数和(自身を除く): 67747034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4091, 8125, 8182, 16250, 20455, 40910, 53183, 102275, 106366, 204550, 265915, 511375, 531830, 1022750, 1329575, 2556875, 2659150, 5113750, 6647875, 13295750, 33239375, 66478750]

約数ペア:

[(1, 66478750), (2, 33239375), (5, 13295750), (10, 6647875), (13, 5113750), (25, 2659150), (26, 2556875), (50, 1329575), (65, 1022750), (125, 531830), (130, 511375), (250, 265915), (325, 204550), (625, 106366), (650, 102275), (1250, 53183), (1625, 40910), (3250, 20455), (4091, 16250), (8125, 8182)]