8240680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 22320000

約数和(自身を除く): 14079320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1549, 2660, 3098, 5320, 6196, 7745, 10843, 12392, 15490, 21686, 29431, 30980, 43372, 54215, 58862, 61960, 86744, 108430, 117724, 147155, 206017, 216860, 235448, 294310, 412034, 433720, 588620, 824068, 1030085, 1177240, 1648136, 2060170, 4120340, 8240680]

約数ペア:

[(1, 8240680), (2, 4120340), (4, 2060170), (5, 1648136), (7, 1177240), (8, 1030085), (10, 824068), (14, 588620), (19, 433720), (20, 412034), (28, 294310), (35, 235448), (38, 216860), (40, 206017), (56, 147155), (70, 117724), (76, 108430), (95, 86744), (133, 61960), (140, 58862), (152, 54215), (190, 43372), (266, 30980), (280, 29431), (380, 21686), (532, 15490), (665, 12392), (760, 10843), (1064, 7745), (1330, 6196), (1549, 5320), (2660, 3098)]