404537920

素因数分解:

$2^6\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1163}}^1$

素因数の和:2267

約数の個数: 56

約数和(自身を含む): 965021184

約数和(自身を除く): 560483264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1087, 1163, 2174, 2326, 4348, 4652, 5435, 5815, 8696, 9304, 10870, 11630, 17392, 18608, 21740, 23260, 34784, 37216, 43480, 46520, 69568, 74432, 86960, 93040, 173920, 186080, 347840, 372160, 1264181, 2528362, 5056724, 6320905, 10113448, 12641810, 20226896, 25283620, 40453792, 50567240, 80907584, 101134480, 202268960, 404537920]

約数ペア:

[(1, 404537920), (2, 202268960), (4, 101134480), (5, 80907584), (8, 50567240), (10, 40453792), (16, 25283620), (20, 20226896), (32, 12641810), (40, 10113448), (64, 6320905), (80, 5056724), (160, 2528362), (320, 1264181), (1087, 372160), (1163, 347840), (2174, 186080), (2326, 173920), (4348, 93040), (4652, 86960), (5435, 74432), (5815, 69568), (8696, 46520), (9304, 43480), (10870, 37216), (11630, 34784), (17392, 23260), (18608, 21740)]