1451620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 3072888

約数和(自身を除く): 1621268

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 401, 724, 802, 905, 1604, 1810, 2005, 3620, 4010, 8020, 72581, 145162, 290324, 362905, 725810, 1451620]

約数ペア:

[(1, 1451620), (2, 725810), (4, 362905), (5, 290324), (10, 145162), (20, 72581), (181, 8020), (362, 4010), (401, 3620), (724, 2005), (802, 1810), (905, 1604)]