164156620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{200191}}^1$

素因数の和:200241

約数の個数: 24

約数和(自身を含む): 353138688

約数和(自身を除く): 188982068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 200191, 400382, 800764, 1000955, 2001910, 4003820, 8207831, 16415662, 32831324, 41039155, 82078310, 164156620]

約数ペア:

[(1, 164156620), (2, 82078310), (4, 41039155), (5, 32831324), (10, 16415662), (20, 8207831), (41, 4003820), (82, 2001910), (164, 1000955), (205, 800764), (410, 400382), (820, 200191)]