30128540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115879}}^1$

素因数の和:115901

約数の個数: 24

約数和(自身を含む): 68137440

約数和(自身を除く): 38008900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 115879, 231758, 463516, 579395, 1158790, 1506427, 2317580, 3012854, 6025708, 7532135, 15064270, 30128540]

約数ペア:

[(1, 30128540), (2, 15064270), (4, 7532135), (5, 6025708), (10, 3012854), (13, 2317580), (20, 1506427), (26, 1158790), (52, 579395), (65, 463516), (130, 231758), (260, 115879)]