4561250

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 40

約数和(自身を含む): 8856540

約数和(自身を除く): 4295290

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 89, 125, 178, 205, 250, 410, 445, 625, 890, 1025, 1250, 2050, 2225, 3649, 4450, 5125, 7298, 10250, 11125, 18245, 22250, 25625, 36490, 51250, 55625, 91225, 111250, 182450, 456125, 912250, 2280625, 4561250]

約数ペア:

[(1, 4561250), (2, 2280625), (5, 912250), (10, 456125), (25, 182450), (41, 111250), (50, 91225), (82, 55625), (89, 51250), (125, 36490), (178, 25625), (205, 22250), (250, 18245), (410, 11125), (445, 10250), (625, 7298), (890, 5125), (1025, 4450), (1250, 3649), (2050, 2225)]