4922440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 11187000

約数和(自身を除く): 6264560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1129, 2180, 2258, 4360, 4516, 5645, 9032, 11290, 22580, 45160, 123061, 246122, 492244, 615305, 984488, 1230610, 2461220, 4922440]

約数ペア:

[(1, 4922440), (2, 2461220), (4, 1230610), (5, 984488), (8, 615305), (10, 492244), (20, 246122), (40, 123061), (109, 45160), (218, 22580), (436, 11290), (545, 9032), (872, 5645), (1090, 4516), (1129, 4360), (2180, 2258)]