210008840

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{7687}}^1$

素因数の和:8381

約数の個数: 32

約数和(自身を含む): 473273280

約数和(自身を除く): 263264440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 7687, 13660, 15374, 27320, 30748, 38435, 61496, 76870, 153740, 307480, 5250221, 10500442, 21000884, 26251105, 42001768, 52502210, 105004420, 210008840]

約数ペア:

[(1, 210008840), (2, 105004420), (4, 52502210), (5, 42001768), (8, 26251105), (10, 21000884), (20, 10500442), (40, 5250221), (683, 307480), (1366, 153740), (2732, 76870), (3415, 61496), (5464, 38435), (6830, 30748), (7687, 27320), (13660, 15374)]