13051250

素因数分解:

$2^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 40

約数和(自身を含む): 25051356

約数和(自身を除く): 12000106

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 197, 250, 265, 394, 530, 625, 985, 1250, 1325, 1970, 2650, 4925, 6625, 9850, 10441, 13250, 20882, 24625, 33125, 49250, 52205, 66250, 104410, 123125, 246250, 261025, 522050, 1305125, 2610250, 6525625, 13051250]

約数ペア:

[(1, 13051250), (2, 6525625), (5, 2610250), (10, 1305125), (25, 522050), (50, 261025), (53, 246250), (106, 123125), (125, 104410), (197, 66250), (250, 52205), (265, 49250), (394, 33125), (530, 24625), (625, 20882), (985, 13250), (1250, 10441), (1325, 9850), (1970, 6625), (2650, 4925)]