127988120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246131}}^1$

素因数の和:246155

約数の個数: 32

約数和(自身を含む): 310126320

約数和(自身を除く): 182138200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 246131, 492262, 984524, 1230655, 1969048, 2461310, 3199703, 4922620, 6399406, 9845240, 12798812, 15998515, 25597624, 31997030, 63994060, 127988120]

約数ペア:

[(1, 127988120), (2, 63994060), (4, 31997030), (5, 25597624), (8, 15998515), (10, 12798812), (13, 9845240), (20, 6399406), (26, 4922620), (40, 3199703), (52, 2461310), (65, 1969048), (104, 1230655), (130, 984524), (260, 492262), (520, 246131)]