45111875

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 20

約数和(自身を含む): 57075480

約数和(自身を除く): 11963605

約数列:

[1, 5, 25, 89, 125, 445, 625, 811, 2225, 4055, 11125, 20275, 55625, 72179, 101375, 360895, 506875, 1804475, 9022375, 45111875]

約数ペア:

[(1, 45111875), (5, 9022375), (25, 1804475), (89, 506875), (125, 360895), (445, 101375), (625, 72179), (811, 55625), (2225, 20275), (4055, 11125)]