64179625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 85887360

約数和(自身を除く): 21707735

約数列:

[1, 5, 19, 25, 61, 95, 125, 305, 443, 475, 1159, 1525, 2215, 2375, 5795, 7625, 8417, 11075, 27023, 28975, 42085, 55375, 135115, 144875, 210425, 513437, 675575, 1052125, 2567185, 3377875, 12835925, 64179625]

約数ペア:

[(1, 64179625), (5, 12835925), (19, 3377875), (25, 2567185), (61, 1052125), (95, 675575), (125, 513437), (305, 210425), (443, 144875), (475, 135115), (1159, 55375), (1525, 42085), (2215, 28975), (2375, 27023), (5795, 11075), (7625, 8417)]