208038940

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{19889}}^1$

素因数の和:20421

約数の個数: 24

約数和(自身を含む): 437739120

約数和(自身を除く): 229700180

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 19889, 39778, 79556, 99445, 198890, 397780, 10401947, 20803894, 41607788, 52009735, 104019470, 208038940]

約数ペア:

[(1, 208038940), (2, 104019470), (4, 52009735), (5, 41607788), (10, 20803894), (20, 10401947), (523, 397780), (1046, 198890), (2092, 99445), (2615, 79556), (5230, 39778), (10460, 19889)]