12640875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2593}}^1$

素因数の和:2624

約数の個数: 32

約数和(自身を含む): 22661184

約数和(自身を除く): 10020309

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 2593, 4875, 7779, 12965, 33709, 38895, 64825, 101127, 168545, 194475, 324125, 505635, 842725, 972375, 2528175, 4213625, 12640875]

約数ペア:

[(1, 12640875), (3, 4213625), (5, 2528175), (13, 972375), (15, 842725), (25, 505635), (39, 324125), (65, 194475), (75, 168545), (125, 101127), (195, 64825), (325, 38895), (375, 33709), (975, 12965), (1625, 7779), (2593, 4875)]