25616240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24631}}^1$

素因数の和:24657

約数の個数: 40

約数和(自身を含む): 64141728

約数和(自身を除く): 38525488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24631, 49262, 98524, 123155, 197048, 246310, 320203, 394096, 492620, 640406, 985240, 1280812, 1601015, 1970480, 2561624, 3202030, 5123248, 6404060, 12808120, 25616240]

約数ペア:

[(1, 25616240), (2, 12808120), (4, 6404060), (5, 5123248), (8, 3202030), (10, 2561624), (13, 1970480), (16, 1601015), (20, 1280812), (26, 985240), (40, 640406), (52, 492620), (65, 394096), (80, 320203), (104, 246310), (130, 197048), (208, 123155), (260, 98524), (520, 49262), (1040, 24631)]