15968380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8971}}^1$

素因数の和:9069

約数の個数: 24

約数和(自身を含む): 33914160

約数和(自身を除く): 17945780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 8971, 17942, 35884, 44855, 89710, 179420, 798419, 1596838, 3193676, 3992095, 7984190, 15968380]

約数ペア:

[(1, 15968380), (2, 7984190), (4, 3992095), (5, 3193676), (10, 1596838), (20, 798419), (89, 179420), (178, 89710), (356, 44855), (445, 35884), (890, 17942), (1780, 8971)]