80796040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155377}}^1$

素因数の和:155401

約数の個数: 32

約数和(自身を含む): 195776280

約数和(自身を除く): 114980240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155377, 310754, 621508, 776885, 1243016, 1553770, 2019901, 3107540, 4039802, 6215080, 8079604, 10099505, 16159208, 20199010, 40398020, 80796040]

約数ペア:

[(1, 80796040), (2, 40398020), (4, 20199010), (5, 16159208), (8, 10099505), (10, 8079604), (13, 6215080), (20, 4039802), (26, 3107540), (40, 2019901), (52, 1553770), (65, 1243016), (104, 776885), (130, 621508), (260, 310754), (520, 155377)]