40469360

素因数分解:

$2^4\times 5^1\times {\mathrm{505867}}^1$

素因数の和:505880

約数の個数: 20

約数和(自身を含む): 94091448

約数和(自身を除く): 53622088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505867, 1011734, 2023468, 2529335, 4046936, 5058670, 8093872, 10117340, 20234680, 40469360]

約数ペア:

[(1, 40469360), (2, 20234680), (4, 10117340), (5, 8093872), (8, 5058670), (10, 4046936), (16, 2529335), (20, 2023468), (40, 1011734), (80, 505867)]