28544240

素因数分解:

$2^4\times 5^1\times {\mathrm{356803}}^1$

素因数の和:356816

約数の個数: 20

約数和(自身を含む): 66365544

約数和(自身を除く): 37821304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356803, 713606, 1427212, 1784015, 2854424, 3568030, 5708848, 7136060, 14272120, 28544240]

約数ペア:

[(1, 28544240), (2, 14272120), (4, 7136060), (5, 5708848), (8, 3568030), (10, 2854424), (16, 1784015), (20, 1427212), (40, 713606), (80, 356803)]