8823280

素因数分解:

$2^4\times 5^1\times {\mathrm{110291}}^1$

素因数の和:110304

約数の個数: 20

約数和(自身を含む): 20514312

約数和(自身を除く): 11691032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110291, 220582, 441164, 551455, 882328, 1102910, 1764656, 2205820, 4411640, 8823280]

約数ペア:

[(1, 8823280), (2, 4411640), (4, 2205820), (5, 1764656), (8, 1102910), (10, 882328), (16, 551455), (20, 441164), (40, 220582), (80, 110291)]