28018569500

素因数分解:

$2^2\times 5^3\times {\mathrm{13339}}^1\times {\mathrm{4201}}^1$

素因数の和:17559

約数の個数: 48

約数和(自身を含む): 61211710560

約数和(自身を除く): 33193141060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4201, 8402, 13339, 16804, 21005, 26678, 42010, 53356, 66695, 84020, 105025, 133390, 210050, 266780, 333475, 420100, 525125, 666950, 1050250, 1333900, 1667375, 2100500, 3334750, 6669500, 56037139, 112074278, 224148556, 280185695, 560371390, 1120742780, 1400928475, 2801856950, 5603713900, 7004642375, 14009284750, 28018569500]

約数ペア:

[(1, 28018569500), (2, 14009284750), (4, 7004642375), (5, 5603713900), (10, 2801856950), (20, 1400928475), (25, 1120742780), (50, 560371390), (100, 280185695), (125, 224148556), (250, 112074278), (500, 56037139), (4201, 6669500), (8402, 3334750), (13339, 2100500), (16804, 1667375), (21005, 1333900), (26678, 1050250), (42010, 666950), (53356, 525125), (66695, 420100), (84020, 333475), (105025, 266780), (133390, 210050)]