51643625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 74535552

約数和(自身を除く): 22891927

約数列:

[1, 5, 11, 23, 25, 55, 71, 115, 125, 253, 275, 355, 529, 575, 781, 1265, 1375, 1633, 1775, 2645, 2875, 3905, 5819, 6325, 8165, 8875, 13225, 17963, 19525, 29095, 31625, 37559, 40825, 66125, 89815, 97625, 145475, 187795, 204125, 413149, 449075, 727375, 938975, 2065745, 2245375, 4694875, 10328725, 51643625]

約数ペア:

[(1, 51643625), (5, 10328725), (11, 4694875), (23, 2245375), (25, 2065745), (55, 938975), (71, 727375), (115, 449075), (125, 413149), (253, 204125), (275, 187795), (355, 145475), (529, 97625), (575, 89815), (781, 66125), (1265, 40825), (1375, 37559), (1633, 31625), (1775, 29095), (2645, 19525), (2875, 17963), (3905, 13225), (5819, 8875), (6325, 8165)]