168564500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{25933}}^1$

素因数の和:25965

約数の個数: 48

約数和(自身を含む): 396478992

約数和(自身を除く): 227914492

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, 25933, 51866, 103732, 129665, 259330, 337129, 518660, 648325, 674258, 1296650, 1348516, 1685645, 2593300, 3241625, 3371290, 6483250, 6742580, 8428225, 12966500, 16856450, 33712900, 42141125, 84282250, 168564500]

約数ペア:

[(1, 168564500), (2, 84282250), (4, 42141125), (5, 33712900), (10, 16856450), (13, 12966500), (20, 8428225), (25, 6742580), (26, 6483250), (50, 3371290), (52, 3241625), (65, 2593300), (100, 1685645), (125, 1348516), (130, 1296650), (250, 674258), (260, 648325), (325, 518660), (500, 337129), (650, 259330), (1300, 129665), (1625, 103732), (3250, 51866), (6500, 25933)]