129415360

素因数分解:

$2^6\times 5^1\times {\mathrm{404423}}^1$

素因数の和:404440

約数の個数: 28

約数和(自身を含む): 308171088

約数和(自身を除く): 178755728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 404423, 808846, 1617692, 2022115, 3235384, 4044230, 6470768, 8088460, 12941536, 16176920, 25883072, 32353840, 64707680, 129415360]

約数ペア:

[(1, 129415360), (2, 64707680), (4, 32353840), (5, 25883072), (8, 16176920), (10, 12941536), (16, 8088460), (20, 6470768), (32, 4044230), (40, 3235384), (64, 2022115), (80, 1617692), (160, 808846), (320, 404423)]