889629920

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{43781}}^1$

素因数の和:43923

約数の個数: 48

約数和(自身を含む): 2118348288

約数和(自身を除く): 1228718368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 43781, 87562, 175124, 218905, 350248, 437810, 700496, 875620, 1400992, 1751240, 3502480, 5560187, 7004960, 11120374, 22240748, 27800935, 44481496, 55601870, 88962992, 111203740, 177925984, 222407480, 444814960, 889629920]

約数ペア:

[(1, 889629920), (2, 444814960), (4, 222407480), (5, 177925984), (8, 111203740), (10, 88962992), (16, 55601870), (20, 44481496), (32, 27800935), (40, 22240748), (80, 11120374), (127, 7004960), (160, 5560187), (254, 3502480), (508, 1751240), (635, 1400992), (1016, 875620), (1270, 700496), (2032, 437810), (2540, 350248), (4064, 218905), (5080, 175124), (10160, 87562), (20320, 43781)]