80728945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{9851}}^1$

素因数の和:10016

約数の個数: 16

約数和(自身を含む): 106401600

約数和(自身を除く): 25672655

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 9851, 49255, 108361, 541805, 1467799, 7338995, 16145789, 80728945]

約数ペア:

[(1, 80728945), (5, 16145789), (11, 7338995), (55, 1467799), (149, 541805), (745, 108361), (1639, 49255), (8195, 9851)]