25266920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90239}}^1$

素因数の和:90257

約数の個数: 32

約数和(自身を含む): 64972800

約数和(自身を除く): 39705880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90239, 180478, 360956, 451195, 631673, 721912, 902390, 1263346, 1804780, 2526692, 3158365, 3609560, 5053384, 6316730, 12633460, 25266920]

約数ペア:

[(1, 25266920), (2, 12633460), (4, 6316730), (5, 5053384), (7, 3609560), (8, 3158365), (10, 2526692), (14, 1804780), (20, 1263346), (28, 902390), (35, 721912), (40, 631673), (56, 451195), (70, 360956), (140, 180478), (280, 90239)]