1329827440

素因数分解:

$2^4\times 5^1\times {\mathrm{16622843}}^1$

素因数の和:16622856

約数の個数: 20

約数和(自身を含む): 3091848984

約数和(自身を除く): 1762021544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16622843, 33245686, 66491372, 83114215, 132982744, 166228430, 265965488, 332456860, 664913720, 1329827440]

約数ペア:

[(1, 1329827440), (2, 664913720), (4, 332456860), (5, 265965488), (8, 166228430), (10, 132982744), (16, 83114215), (20, 66491372), (40, 33245686), (80, 16622843)]