55290320

素因数分解:

$2^4\times 5^1\times {\mathrm{691129}}^1$

素因数の和:691142

約数の個数: 20

約数和(自身を含む): 128550180

約数和(自身を除く): 73259860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691129, 1382258, 2764516, 3455645, 5529032, 6911290, 11058064, 13822580, 27645160, 55290320]

約数ペア:

[(1, 55290320), (2, 27645160), (4, 13822580), (5, 11058064), (8, 6911290), (10, 5529032), (16, 3455645), (20, 2764516), (40, 1382258), (80, 691129)]