28897580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 63307776

約数和(自身を除く): 34410196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 367, 508, 620, 635, 734, 1270, 1468, 1835, 2540, 3670, 3937, 7340, 7874, 11377, 15748, 19685, 22754, 39370, 45508, 46609, 56885, 78740, 93218, 113770, 186436, 227540, 233045, 466090, 932180, 1444879, 2889758, 5779516, 7224395, 14448790, 28897580]

約数ペア:

[(1, 28897580), (2, 14448790), (4, 7224395), (5, 5779516), (10, 2889758), (20, 1444879), (31, 932180), (62, 466090), (124, 233045), (127, 227540), (155, 186436), (254, 113770), (310, 93218), (367, 78740), (508, 56885), (620, 46609), (635, 45508), (734, 39370), (1270, 22754), (1468, 19685), (1835, 15748), (2540, 11377), (3670, 7874), (3937, 7340)]