86820890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12601}}^1$

素因数の和:12674

約数の個数: 32

約数和(自身を含む): 171488016

約数和(自身を除く): 84667126

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 12601, 25202, 63005, 126010, 163813, 327626, 667853, 819065, 1335706, 1638130, 3339265, 6678530, 8682089, 17364178, 43410445, 86820890]

約数ペア:

[(1, 86820890), (2, 43410445), (5, 17364178), (10, 8682089), (13, 6678530), (26, 3339265), (53, 1638130), (65, 1335706), (106, 819065), (130, 667853), (265, 327626), (530, 163813), (689, 126010), (1378, 63005), (3445, 25202), (6890, 12601)]