126985280

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3929}}^1$

素因数の和:4047

約数の個数: 56

約数和(自身を含む): 305455320

約数和(自身を除く): 178470040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 3929, 4040, 6464, 7858, 8080, 15716, 16160, 19645, 31432, 32320, 39290, 62864, 78580, 125728, 157160, 251456, 314320, 396829, 628640, 793658, 1257280, 1587316, 1984145, 3174632, 3968290, 6349264, 7936580, 12698528, 15873160, 25397056, 31746320, 63492640, 126985280]

約数ペア:

[(1, 126985280), (2, 63492640), (4, 31746320), (5, 25397056), (8, 15873160), (10, 12698528), (16, 7936580), (20, 6349264), (32, 3968290), (40, 3174632), (64, 1984145), (80, 1587316), (101, 1257280), (160, 793658), (202, 628640), (320, 396829), (404, 314320), (505, 251456), (808, 157160), (1010, 125728), (1616, 78580), (2020, 62864), (3232, 39290), (3929, 32320), (4040, 31432), (6464, 19645), (7858, 16160), (8080, 15716)]