77886875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{11329}}^1$

素因数の和:11360

約数の個数: 20

約数和(自身を含む): 106184760

約数和(自身を除く): 28297885

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 11329, 56645, 124619, 283225, 623095, 1416125, 3115475, 7080625, 15577375, 77886875]

約数ペア:

[(1, 77886875), (5, 15577375), (11, 7080625), (25, 3115475), (55, 1416125), (125, 623095), (275, 283225), (625, 124619), (1375, 56645), (6875, 11329)]