108777980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12919}}^1$

素因数の和:13349

約数の個数: 24

約数和(自身を含む): 228994080

約数和(自身を除く): 120216100

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 12919, 25838, 51676, 64595, 129190, 258380, 5438899, 10877798, 21755596, 27194495, 54388990, 108777980]

約数ペア:

[(1, 108777980), (2, 54388990), (4, 27194495), (5, 21755596), (10, 10877798), (20, 5438899), (421, 258380), (842, 129190), (1684, 64595), (2105, 51676), (4210, 25838), (8420, 12919)]