68968120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132631}}^1$

素因数の和:132655

約数の個数: 32

約数和(自身を含む): 167116320

約数和(自身を除く): 98148200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 132631, 265262, 530524, 663155, 1061048, 1326310, 1724203, 2652620, 3448406, 5305240, 6896812, 8621015, 13793624, 17242030, 34484060, 68968120]

約数ペア:

[(1, 68968120), (2, 34484060), (4, 17242030), (5, 13793624), (8, 8621015), (10, 6896812), (13, 5305240), (20, 3448406), (26, 2652620), (40, 1724203), (52, 1326310), (65, 1061048), (104, 663155), (130, 530524), (260, 265262), (520, 132631)]