28259800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 66402000

約数和(自身を除く): 38142200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1399, 2020, 2525, 2798, 4040, 5050, 5596, 6995, 10100, 11192, 13990, 20200, 27980, 34975, 55960, 69950, 139900, 141299, 279800, 282598, 565196, 706495, 1130392, 1412990, 2825980, 3532475, 5651960, 7064950, 14129900, 28259800]

約数ペア:

[(1, 28259800), (2, 14129900), (4, 7064950), (5, 5651960), (8, 3532475), (10, 2825980), (20, 1412990), (25, 1130392), (40, 706495), (50, 565196), (100, 282598), (101, 279800), (200, 141299), (202, 139900), (404, 69950), (505, 55960), (808, 34975), (1010, 27980), (1399, 20200), (2020, 13990), (2525, 11192), (2798, 10100), (4040, 6995), (5050, 5596)]