64031500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9883

約数の個数: 48

約数和(自身を含む): 150617376

約数和(自身を除く): 86585876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 9851, 19702, 39404, 49255, 98510, 128063, 197020, 246275, 256126, 492550, 512252, 640315, 985100, 1231375, 1280630, 2462750, 2561260, 3201575, 4925500, 6403150, 12806300, 16007875, 32015750, 64031500]

約数ペア:

[(1, 64031500), (2, 32015750), (4, 16007875), (5, 12806300), (10, 6403150), (13, 4925500), (20, 3201575), (25, 2561260), (26, 2462750), (50, 1280630), (52, 1231375), (65, 985100), (100, 640315), (125, 512252), (130, 492550), (250, 256126), (260, 246275), (325, 197020), (500, 128063), (650, 98510), (1300, 49255), (1625, 39404), (3250, 19702), (6500, 9851)]