11475940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{81971}}^1$

素因数の和:81987

約数の個数: 24

約数和(自身を含む): 27542592

約数和(自身を除く): 16066652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 81971, 163942, 327884, 409855, 573797, 819710, 1147594, 1639420, 2295188, 2868985, 5737970, 11475940]

約数ペア:

[(1, 11475940), (2, 5737970), (4, 2868985), (5, 2295188), (7, 1639420), (10, 1147594), (14, 819710), (20, 573797), (28, 409855), (35, 327884), (70, 163942), (140, 81971)]