124016720

素因数分解:

$2^4\times 5^1\times {\mathrm{1550209}}^1$

素因数の和:1550222

約数の個数: 20

約数和(自身を含む): 288339060

約数和(自身を除く): 164322340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1550209, 3100418, 6200836, 7751045, 12401672, 15502090, 24803344, 31004180, 62008360, 124016720]

約数ペア:

[(1, 124016720), (2, 62008360), (4, 31004180), (5, 24803344), (8, 15502090), (10, 12401672), (16, 7751045), (20, 6200836), (40, 3100418), (80, 1550209)]