8178040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15727}}^1$

素因数の和:15751

約数の個数: 32

約数和(自身を含む): 19817280

約数和(自身を除く): 11639240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15727, 31454, 62908, 78635, 125816, 157270, 204451, 314540, 408902, 629080, 817804, 1022255, 1635608, 2044510, 4089020, 8178040]

約数ペア:

[(1, 8178040), (2, 4089020), (4, 2044510), (5, 1635608), (8, 1022255), (10, 817804), (13, 629080), (20, 408902), (26, 314540), (40, 204451), (52, 157270), (65, 125816), (104, 78635), (130, 62908), (260, 31454), (520, 15727)]