31493840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56239}}^1$

素因数の和:56259

約数の個数: 40

約数和(自身を含む): 83685120

約数和(自身を除く): 52191280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56239, 112478, 224956, 281195, 393673, 449912, 562390, 787346, 899824, 1124780, 1574692, 1968365, 2249560, 3149384, 3936730, 4499120, 6298768, 7873460, 15746920, 31493840]

約数ペア:

[(1, 31493840), (2, 15746920), (4, 7873460), (5, 6298768), (7, 4499120), (8, 3936730), (10, 3149384), (14, 2249560), (16, 1968365), (20, 1574692), (28, 1124780), (35, 899824), (40, 787346), (56, 562390), (70, 449912), (80, 393673), (112, 281195), (140, 224956), (280, 112478), (560, 56239)]