28264375

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 20

約数和(自身を含む): 36213408

約数和(自身を除く): 7949033

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 1103, 5125, 5515, 25625, 27575, 45223, 137875, 226115, 689375, 1130575, 5652875, 28264375]

約数ペア:

[(1, 28264375), (5, 5652875), (25, 1130575), (41, 689375), (125, 226115), (205, 137875), (625, 45223), (1025, 27575), (1103, 25625), (5125, 5515)]