809264320

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19913}}^1$

素因数の和:20057

約数の個数: 56

約数和(自身を含む): 1942331904

約数和(自身を除く): 1133067584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 19913, 20320, 39826, 40640, 79652, 99565, 159304, 199130, 318608, 398260, 637216, 796520, 1274432, 1593040, 2528951, 3186080, 5057902, 6372160, 10115804, 12644755, 20231608, 25289510, 40463216, 50579020, 80926432, 101158040, 161852864, 202316080, 404632160, 809264320]

約数ペア:

[(1, 809264320), (2, 404632160), (4, 202316080), (5, 161852864), (8, 101158040), (10, 80926432), (16, 50579020), (20, 40463216), (32, 25289510), (40, 20231608), (64, 12644755), (80, 10115804), (127, 6372160), (160, 5057902), (254, 3186080), (320, 2528951), (508, 1593040), (635, 1274432), (1016, 796520), (1270, 637216), (2032, 398260), (2540, 318608), (4064, 199130), (5080, 159304), (8128, 99565), (10160, 79652), (19913, 40640), (20320, 39826)]