12507820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 28717920

約数和(自身を除く): 16210100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 659, 730, 949, 1318, 1460, 1898, 2636, 3295, 3796, 4745, 6590, 8567, 9490, 13180, 17134, 18980, 34268, 42835, 48107, 85670, 96214, 171340, 192428, 240535, 481070, 625391, 962140, 1250782, 2501564, 3126955, 6253910, 12507820]

約数ペア:

[(1, 12507820), (2, 6253910), (4, 3126955), (5, 2501564), (10, 1250782), (13, 962140), (20, 625391), (26, 481070), (52, 240535), (65, 192428), (73, 171340), (130, 96214), (146, 85670), (260, 48107), (292, 42835), (365, 34268), (659, 18980), (730, 17134), (949, 13180), (1318, 9490), (1460, 8567), (1898, 6590), (2636, 4745), (3295, 3796)]