68265440

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1289}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 161889840

約数和(自身を除く): 93624400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1289, 1324, 1655, 2578, 2648, 3310, 5156, 5296, 6445, 6620, 10312, 10592, 12890, 13240, 20624, 25780, 26480, 41248, 51560, 52960, 103120, 206240, 426659, 853318, 1706636, 2133295, 3413272, 4266590, 6826544, 8533180, 13653088, 17066360, 34132720, 68265440]

約数ペア:

[(1, 68265440), (2, 34132720), (4, 17066360), (5, 13653088), (8, 8533180), (10, 6826544), (16, 4266590), (20, 3413272), (32, 2133295), (40, 1706636), (80, 853318), (160, 426659), (331, 206240), (662, 103120), (1289, 52960), (1324, 51560), (1655, 41248), (2578, 26480), (2648, 25780), (3310, 20624), (5156, 13240), (5296, 12890), (6445, 10592), (6620, 10312)]