2550868280

素因数分解:

$2^3\times 5^1\times {\mathrm{7919}}^1\times {\mathrm{8053}}^1$

素因数の和:15983

約数の個数: 32

約数和(自身を含む): 5740891200

約数和(自身を除く): 3190022920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7919, 8053, 15838, 16106, 31676, 32212, 39595, 40265, 63352, 64424, 79190, 80530, 158380, 161060, 316760, 322120, 63771707, 127543414, 255086828, 318858535, 510173656, 637717070, 1275434140, 2550868280]

約数ペア:

[(1, 2550868280), (2, 1275434140), (4, 637717070), (5, 510173656), (8, 318858535), (10, 255086828), (20, 127543414), (40, 63771707), (7919, 322120), (8053, 316760), (15838, 161060), (16106, 158380), (31676, 80530), (32212, 79190), (39595, 64424), (40265, 63352)]