100420225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 131980640

約数和(自身を除く): 31560415

約数列:

[1, 5, 19, 25, 95, 163, 475, 815, 1297, 3097, 4075, 6485, 15485, 24643, 32425, 77425, 123215, 211411, 616075, 1057055, 4016809, 5285275, 20084045, 100420225]

約数ペア:

[(1, 100420225), (5, 20084045), (19, 5285275), (25, 4016809), (95, 1057055), (163, 616075), (475, 211411), (815, 123215), (1297, 77425), (3097, 32425), (4075, 24643), (6485, 15485)]