258383320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{496891}}^1$

素因数の和:496915

約数の個数: 32

約数和(自身を含む): 626083920

約数和(自身を除く): 367700600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 496891, 993782, 1987564, 2484455, 3975128, 4968910, 6459583, 9937820, 12919166, 19875640, 25838332, 32297915, 51676664, 64595830, 129191660, 258383320]

約数ペア:

[(1, 258383320), (2, 129191660), (4, 64595830), (5, 51676664), (8, 32297915), (10, 25838332), (13, 19875640), (20, 12919166), (26, 9937820), (40, 6459583), (52, 4968910), (65, 3975128), (104, 2484455), (130, 1987564), (260, 993782), (520, 496891)]