83621140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101977}}^1$

素因数の和:102027

約数の個数: 24

約数和(自身を含む): 179889192

約数和(自身を除く): 96268052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 101977, 203954, 407908, 509885, 1019770, 2039540, 4181057, 8362114, 16724228, 20905285, 41810570, 83621140]

約数ペア:

[(1, 83621140), (2, 41810570), (4, 20905285), (5, 16724228), (10, 8362114), (20, 4181057), (41, 2039540), (82, 1019770), (164, 509885), (205, 407908), (410, 203954), (820, 101977)]