86840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 211680

約数和(自身を除く): 124840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1336, 1670, 2171, 3340, 4342, 6680, 8684, 10855, 17368, 21710, 43420, 86840]

約数ペア:

[(1, 86840), (2, 43420), (4, 21710), (5, 17368), (8, 10855), (10, 8684), (13, 6680), (20, 4342), (26, 3340), (40, 2171), (52, 1670), (65, 1336), (104, 835), (130, 668), (167, 520), (260, 334)]