205800640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37831}}^1$

素因数の和:37865

約数の個数: 56

約数和(自身を含む): 518903712

約数和(自身を除く): 313103072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 37831, 75662, 151324, 189155, 302648, 378310, 605296, 643127, 756620, 1210592, 1286254, 1513240, 2421184, 2572508, 3026480, 3215635, 5145016, 6052960, 6431270, 10290032, 12105920, 12862540, 20580064, 25725080, 41160128, 51450160, 102900320, 205800640]

約数ペア:

[(1, 205800640), (2, 102900320), (4, 51450160), (5, 41160128), (8, 25725080), (10, 20580064), (16, 12862540), (17, 12105920), (20, 10290032), (32, 6431270), (34, 6052960), (40, 5145016), (64, 3215635), (68, 3026480), (80, 2572508), (85, 2421184), (136, 1513240), (160, 1286254), (170, 1210592), (272, 756620), (320, 643127), (340, 605296), (544, 378310), (680, 302648), (1088, 189155), (1360, 151324), (2720, 75662), (5440, 37831)]