68500120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131731}}^1$

素因数の和:131755

約数の個数: 32

約数和(自身を含む): 165982320

約数和(自身を除く): 97482200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131731, 263462, 526924, 658655, 1053848, 1317310, 1712503, 2634620, 3425006, 5269240, 6850012, 8562515, 13700024, 17125030, 34250060, 68500120]

約数ペア:

[(1, 68500120), (2, 34250060), (4, 17125030), (5, 13700024), (8, 8562515), (10, 6850012), (13, 5269240), (20, 3425006), (26, 2634620), (40, 1712503), (52, 1317310), (65, 1053848), (104, 658655), (130, 526924), (260, 263462), (520, 131731)]