28519980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{475333}}^1$

素因数の和:475345

約数の個数: 24

約数和(自身を含む): 79856112

約数和(自身を除く): 51336132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 475333, 950666, 1425999, 1901332, 2376665, 2851998, 4753330, 5703996, 7129995, 9506660, 14259990, 28519980]

約数ペア:

[(1, 28519980), (2, 14259990), (3, 9506660), (4, 7129995), (5, 5703996), (6, 4753330), (10, 2851998), (12, 2376665), (15, 1901332), (20, 1425999), (30, 950666), (60, 475333)]