80581712

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{60679}}^1$

素因数の和:60770

約数の個数: 20

約数和(自身を含む): 158010720

約数和(自身を除く): 77429008

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 60679, 121358, 242716, 485432, 970864, 5036357, 10072714, 20145428, 40290856, 80581712]

約数ペア:

[(1, 80581712), (2, 40290856), (4, 20145428), (8, 10072714), (16, 5036357), (83, 970864), (166, 485432), (332, 242716), (664, 121358), (1328, 60679)]