25457120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12239}}^1$

素因数の和:12267

約数の個数: 48

約数和(自身を含む): 64774080

約数和(自身を除く): 39316960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12239, 24478, 48956, 61195, 97912, 122390, 159107, 195824, 244780, 318214, 391648, 489560, 636428, 795535, 979120, 1272856, 1591070, 1958240, 2545712, 3182140, 5091424, 6364280, 12728560, 25457120]

約数ペア:

[(1, 25457120), (2, 12728560), (4, 6364280), (5, 5091424), (8, 3182140), (10, 2545712), (13, 1958240), (16, 1591070), (20, 1272856), (26, 979120), (32, 795535), (40, 636428), (52, 489560), (65, 391648), (80, 318214), (104, 244780), (130, 195824), (160, 159107), (208, 122390), (260, 97912), (416, 61195), (520, 48956), (1040, 24478), (2080, 12239)]