42621140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51977}}^1$

素因数の和:52027

約数の個数: 24

約数和(自身を含む): 91689192

約数和(自身を除く): 49068052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51977, 103954, 207908, 259885, 519770, 1039540, 2131057, 4262114, 8524228, 10655285, 21310570, 42621140]

約数ペア:

[(1, 42621140), (2, 21310570), (4, 10655285), (5, 8524228), (10, 4262114), (20, 2131057), (41, 1039540), (82, 519770), (164, 259885), (205, 207908), (410, 103954), (820, 51977)]