15746920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56239}}^1$

素因数の和:56257

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 24745880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56239, 112478, 224956, 281195, 393673, 449912, 562390, 787346, 1124780, 1574692, 1968365, 2249560, 3149384, 3936730, 7873460, 15746920]

約数ペア:

[(1, 15746920), (2, 7873460), (4, 3936730), (5, 3149384), (7, 2249560), (8, 1968365), (10, 1574692), (14, 1124780), (20, 787346), (28, 562390), (35, 449912), (40, 393673), (56, 281195), (70, 224956), (140, 112478), (280, 56239)]