79421320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180503}}^1$

素因数の和:180525

約数の個数: 32

約数和(自身を含む): 194944320

約数和(自身を除く): 115523000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 180503, 361006, 722012, 902515, 1444024, 1805030, 1985533, 3610060, 3971066, 7220120, 7942132, 9927665, 15884264, 19855330, 39710660, 79421320]

約数ペア:

[(1, 79421320), (2, 39710660), (4, 19855330), (5, 15884264), (8, 9927665), (10, 7942132), (11, 7220120), (20, 3971066), (22, 3610060), (40, 1985533), (44, 1805030), (55, 1444024), (88, 902515), (110, 722012), (220, 361006), (440, 180503)]