68438500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{10529}}^1$

素因数の和:10561

約数の個数: 48

約数和(自身を含む): 160982640

約数和(自身を除く): 92544140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 10529, 21058, 42116, 52645, 105290, 136877, 210580, 263225, 273754, 526450, 547508, 684385, 1052900, 1316125, 1368770, 2632250, 2737540, 3421925, 5264500, 6843850, 13687700, 17109625, 34219250, 68438500]

約数ペア:

[(1, 68438500), (2, 34219250), (4, 17109625), (5, 13687700), (10, 6843850), (13, 5264500), (20, 3421925), (25, 2737540), (26, 2632250), (50, 1368770), (52, 1316125), (65, 1052900), (100, 684385), (125, 547508), (130, 526450), (250, 273754), (260, 263225), (325, 210580), (500, 136877), (650, 105290), (1300, 52645), (1625, 42116), (3250, 21058), (6500, 10529)]