57289375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 84235536

約数和(自身を除く): 26946161

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 641, 715, 1375, 1625, 3205, 3575, 6875, 7051, 8125, 8333, 16025, 17875, 35255, 41665, 80125, 89375, 91663, 176275, 208325, 400625, 458315, 881375, 1041625, 2291575, 4406875, 5208125, 11457875, 57289375]

約数ペア:

[(1, 57289375), (5, 11457875), (11, 5208125), (13, 4406875), (25, 2291575), (55, 1041625), (65, 881375), (125, 458315), (143, 400625), (275, 208325), (325, 176275), (625, 91663), (641, 89375), (715, 80125), (1375, 41665), (1625, 35255), (3205, 17875), (3575, 16025), (6875, 8333), (7051, 8125)]