84186940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{102667}}^1$

素因数の和:102717

約数の個数: 24

約数和(自身を含む): 181106352

約数和(自身を除く): 96919412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 102667, 205334, 410668, 513335, 1026670, 2053340, 4209347, 8418694, 16837388, 21046735, 42093470, 84186940]

約数ペア:

[(1, 84186940), (2, 42093470), (4, 21046735), (5, 16837388), (10, 8418694), (20, 4209347), (41, 2053340), (82, 1026670), (164, 513335), (205, 410668), (410, 205334), (820, 102667)]