28976740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8573}}^1$

素因数の和:8608

約数の個数: 36

約数和(自身を含む): 65899764

約数和(自身を除く): 36923024

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8573, 17146, 34292, 42865, 85730, 111449, 171460, 222898, 445796, 557245, 1114490, 1448837, 2228980, 2897674, 5795348, 7244185, 14488370, 28976740]

約数ペア:

[(1, 28976740), (2, 14488370), (4, 7244185), (5, 5795348), (10, 2897674), (13, 2228980), (20, 1448837), (26, 1114490), (52, 557245), (65, 445796), (130, 222898), (169, 171460), (260, 111449), (338, 85730), (676, 42865), (845, 34292), (1690, 17146), (3380, 8573)]