80436380

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{14951}}^1$

素因数の和:15229

約数の個数: 24

約数和(自身を含む): 169555680

約数和(自身を除く): 89119300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 14951, 29902, 59804, 74755, 149510, 299020, 4021819, 8043638, 16087276, 20109095, 40218190, 80436380]

約数ペア:

[(1, 80436380), (2, 40218190), (4, 20109095), (5, 16087276), (10, 8043638), (20, 4021819), (269, 299020), (538, 149510), (1076, 74755), (1345, 59804), (2690, 29902), (5380, 14951)]