200801560

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{11981}}^1$

素因数の和:12411

約数の個数: 32

約数和(自身を含む): 452919600

約数和(自身を除く): 252118040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 11981, 16760, 23962, 47924, 59905, 95848, 119810, 239620, 479240, 5020039, 10040078, 20080156, 25100195, 40160312, 50200390, 100400780, 200801560]

約数ペア:

[(1, 200801560), (2, 100400780), (4, 50200390), (5, 40160312), (8, 25100195), (10, 20080156), (20, 10040078), (40, 5020039), (419, 479240), (838, 239620), (1676, 119810), (2095, 95848), (3352, 59905), (4190, 47924), (8380, 23962), (11981, 16760)]