1267698020

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{39443}}^1$

素因数の和:41059

約数の個数: 24

約数和(自身を含む): 2663889984

約数和(自身を除く): 1396191964

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035, 16070, 32140, 39443, 78886, 157772, 197215, 394430, 788860, 63384901, 126769802, 253539604, 316924505, 633849010, 1267698020]

約数ペア:

[(1, 1267698020), (2, 633849010), (4, 316924505), (5, 253539604), (10, 126769802), (20, 63384901), (1607, 788860), (3214, 394430), (6428, 197215), (8035, 157772), (16070, 78886), (32140, 39443)]