68422120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131581}}^1$

素因数の和:131605

約数の個数: 32

約数和(自身を含む): 165793320

約数和(自身を除く): 97371200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131581, 263162, 526324, 657905, 1052648, 1315810, 1710553, 2631620, 3421106, 5263240, 6842212, 8552765, 13684424, 17105530, 34211060, 68422120]

約数ペア:

[(1, 68422120), (2, 34211060), (4, 17105530), (5, 13684424), (8, 8552765), (10, 6842212), (13, 5263240), (20, 3421106), (26, 2631620), (40, 1710553), (52, 1315810), (65, 1052648), (104, 657905), (130, 526324), (260, 263162), (520, 131581)]