39945080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 103265280

約数和(自身を除く): 63320200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 431, 662, 862, 1324, 1655, 1724, 2155, 2317, 2648, 3017, 3310, 3448, 4310, 4634, 6034, 6620, 8620, 9268, 11585, 12068, 13240, 15085, 17240, 18536, 23170, 24136, 30170, 46340, 60340, 92680, 120680, 142661, 285322, 570644, 713305, 998627, 1141288, 1426610, 1997254, 2853220, 3994508, 4993135, 5706440, 7989016, 9986270, 19972540, 39945080]

約数ペア:

[(1, 39945080), (2, 19972540), (4, 9986270), (5, 7989016), (7, 5706440), (8, 4993135), (10, 3994508), (14, 2853220), (20, 1997254), (28, 1426610), (35, 1141288), (40, 998627), (56, 713305), (70, 570644), (140, 285322), (280, 142661), (331, 120680), (431, 92680), (662, 60340), (862, 46340), (1324, 30170), (1655, 24136), (1724, 23170), (2155, 18536), (2317, 17240), (2648, 15085), (3017, 13240), (3310, 12068), (3448, 11585), (4310, 9268), (4634, 8620), (6034, 6620)]