80768826400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2347931}}^1$

素因数の和:2347994

約数の個数: 72

約数和(自身を含む): 201762492624

約数和(自身を除く): 120993666224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 3440, 4300, 6880, 8600, 17200, 34400, 2347931, 4695862, 9391724, 11739655, 18783448, 23479310, 37566896, 46958620, 58698275, 75133792, 93917240, 100961033, 117396550, 187834480, 201922066, 234793100, 375668960, 403844132, 469586200, 504805165, 807688264, 939172400, 1009610330, 1615376528, 1878344800, 2019220660, 2524025825, 3230753056, 4038441320, 5048051650, 8076882640, 10096103300, 16153765280, 20192206600, 40384413200, 80768826400]

約数ペア:

[(1, 80768826400), (2, 40384413200), (4, 20192206600), (5, 16153765280), (8, 10096103300), (10, 8076882640), (16, 5048051650), (20, 4038441320), (25, 3230753056), (32, 2524025825), (40, 2019220660), (43, 1878344800), (50, 1615376528), (80, 1009610330), (86, 939172400), (100, 807688264), (160, 504805165), (172, 469586200), (200, 403844132), (215, 375668960), (344, 234793100), (400, 201922066), (430, 187834480), (688, 117396550), (800, 100961033), (860, 93917240), (1075, 75133792), (1376, 58698275), (1720, 46958620), (2150, 37566896), (3440, 23479310), (4300, 18783448), (6880, 11739655), (8600, 9391724), (17200, 4695862), (34400, 2347931)]