201801980

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{13259}}^1$

素因数の和:14029

約数の個数: 24

約数和(自身を含む): 424373040

約数和(自身を除く): 222571060

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 13259, 15220, 26518, 53036, 66295, 132590, 265180, 10090099, 20180198, 40360396, 50450495, 100900990, 201801980]

約数ペア:

[(1, 201801980), (2, 100900990), (4, 50450495), (5, 40360396), (10, 20180198), (20, 10090099), (761, 265180), (1522, 132590), (3044, 66295), (3805, 53036), (7610, 26518), (13259, 15220)]