16748125

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 20

約数和(自身を含む): 21193216

約数和(自身を除く): 4445091

約数列:

[1, 5, 25, 125, 127, 211, 625, 635, 1055, 3175, 5275, 15875, 26375, 26797, 79375, 131875, 133985, 669925, 3349625, 16748125]

約数ペア:

[(1, 16748125), (5, 3349625), (25, 669925), (125, 133985), (127, 131875), (211, 79375), (625, 26797), (635, 26375), (1055, 15875), (3175, 5275)]