80389348520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154594901}}^1$

素因数の和:154594925

約数の個数: 32

約数和(自身を含む): 194789576520

約数和(自身を除く): 114400228000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154594901, 309189802, 618379604, 772974505, 1236759208, 1545949010, 2009733713, 3091898020, 4019467426, 6183796040, 8038934852, 10048668565, 16077869704, 20097337130, 40194674260, 80389348520]

約数ペア:

[(1, 80389348520), (2, 40194674260), (4, 20097337130), (5, 16077869704), (8, 10048668565), (10, 8038934852), (13, 6183796040), (20, 4019467426), (26, 3091898020), (40, 2009733713), (52, 1545949010), (65, 1236759208), (104, 772974505), (130, 618379604), (260, 309189802), (520, 154594901)]