208948240

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{9931}}^1$

素因数の和:10207

約数の個数: 40

約数和(自身を含む): 487700928

約数和(自身を除く): 278752688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 9931, 10520, 19862, 21040, 39724, 49655, 79448, 99310, 158896, 198620, 397240, 794480, 2611853, 5223706, 10447412, 13059265, 20894824, 26118530, 41789648, 52237060, 104474120, 208948240]

約数ペア:

[(1, 208948240), (2, 104474120), (4, 52237060), (5, 41789648), (8, 26118530), (10, 20894824), (16, 13059265), (20, 10447412), (40, 5223706), (80, 2611853), (263, 794480), (526, 397240), (1052, 198620), (1315, 158896), (2104, 99310), (2630, 79448), (4208, 49655), (5260, 39724), (9931, 21040), (10520, 19862)]