545756720

素因数分解:

$2^4\times 5^1\times {\mathrm{6821959}}^1$

素因数の和:6821972

約数の個数: 20

約数和(自身を含む): 1268884560

約数和(自身を除く): 723127840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6821959, 13643918, 27287836, 34109795, 54575672, 68219590, 109151344, 136439180, 272878360, 545756720]

約数ペア:

[(1, 545756720), (2, 272878360), (4, 136439180), (5, 109151344), (8, 68219590), (10, 54575672), (16, 34109795), (20, 27287836), (40, 13643918), (80, 6821959)]