77621875

素因数分解:

$5^5\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 98899920

約数和(自身を除く): 21278045

約数列:

[1, 5, 25, 59, 125, 295, 421, 625, 1475, 2105, 3125, 7375, 10525, 24839, 36875, 52625, 124195, 184375, 263125, 620975, 1315625, 3104875, 15524375, 77621875]

約数ペア:

[(1, 77621875), (5, 15524375), (25, 3104875), (59, 1315625), (125, 620975), (295, 263125), (421, 184375), (625, 124195), (1475, 52625), (2105, 36875), (3125, 24839), (7375, 10525)]