28700860

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8017}}^1$

素因数の和:8205

約数の個数: 24

約数和(自身を含む): 60616080

約数和(自身を除く): 31915220

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 8017, 16034, 32068, 40085, 80170, 160340, 1435043, 2870086, 5740172, 7175215, 14350430, 28700860]

約数ペア:

[(1, 28700860), (2, 14350430), (4, 7175215), (5, 5740172), (10, 2870086), (20, 1435043), (179, 160340), (358, 80170), (716, 40085), (895, 32068), (1790, 16034), (3580, 8017)]