30724460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118171}}^1$

素因数の和:118193

約数の個数: 24

約数和(自身を含む): 69485136

約数和(自身を除く): 38760676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118171, 236342, 472684, 590855, 1181710, 1536223, 2363420, 3072446, 6144892, 7681115, 15362230, 30724460]

約数ペア:

[(1, 30724460), (2, 15362230), (4, 7681115), (5, 6144892), (10, 3072446), (13, 2363420), (20, 1536223), (26, 1181710), (52, 590855), (65, 472684), (130, 236342), (260, 118171)]