72468640

素因数分解:

$2^5\times 5^1\times {\mathrm{673}}^2$

素因数の和:1361

約数の個数: 36

約数和(自身を含む): 171461934

約数和(自身を除く): 98993294

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 673, 1346, 2692, 3365, 5384, 6730, 10768, 13460, 21536, 26920, 53840, 107680, 452929, 905858, 1811716, 2264645, 3623432, 4529290, 7246864, 9058580, 14493728, 18117160, 36234320, 72468640]

約数ペア:

[(1, 72468640), (2, 36234320), (4, 18117160), (5, 14493728), (8, 9058580), (10, 7246864), (16, 4529290), (20, 3623432), (32, 2264645), (40, 1811716), (80, 905858), (160, 452929), (673, 107680), (1346, 53840), (2692, 26920), (3365, 21536), (5384, 13460), (6730, 10768)]