51270875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 66718080

約数和(自身を除く): 15447205

約数列:

[1, 5, 25, 53, 71, 109, 125, 265, 355, 545, 1325, 1775, 2725, 3763, 5777, 6625, 7739, 8875, 13625, 18815, 28885, 38695, 94075, 144425, 193475, 410167, 470375, 722125, 967375, 2050835, 10254175, 51270875]

約数ペア:

[(1, 51270875), (5, 10254175), (25, 2050835), (53, 967375), (71, 722125), (109, 470375), (125, 410167), (265, 193475), (355, 144425), (545, 94075), (1325, 38695), (1775, 28885), (2725, 18815), (3763, 13625), (5777, 8875), (6625, 7739)]