25380740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16481}}^1$

素因数の和:16508

約数の個数: 48

約数和(自身を含む): 66455424

約数和(自身を除く): 41074684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16481, 32962, 65924, 82405, 115367, 164810, 181291, 230734, 329620, 362582, 461468, 576835, 725164, 906455, 1153670, 1269037, 1812910, 2307340, 2538074, 3625820, 5076148, 6345185, 12690370, 25380740]

約数ペア:

[(1, 25380740), (2, 12690370), (4, 6345185), (5, 5076148), (7, 3625820), (10, 2538074), (11, 2307340), (14, 1812910), (20, 1269037), (22, 1153670), (28, 906455), (35, 725164), (44, 576835), (55, 461468), (70, 362582), (77, 329620), (110, 230734), (140, 181291), (154, 164810), (220, 115367), (308, 82405), (385, 65924), (770, 32962), (1540, 16481)]