163220180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199049}}^1$

素因数の和:199099

約数の個数: 24

約数和(自身を含む): 351124200

約数和(自身を除く): 187904020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 199049, 398098, 796196, 995245, 1990490, 3980980, 8161009, 16322018, 32644036, 40805045, 81610090, 163220180]

約数ペア:

[(1, 163220180), (2, 81610090), (4, 40805045), (5, 32644036), (10, 16322018), (20, 8161009), (41, 3980980), (82, 1990490), (164, 995245), (205, 796196), (410, 398098), (820, 199049)]