123464720

素因数分解:

$2^4\times 5^1\times {\mathrm{1543309}}^1$

素因数の和:1543322

約数の個数: 20

約数和(自身を含む): 287055660

約数和(自身を除く): 163590940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543309, 3086618, 6173236, 7716545, 12346472, 15433090, 24692944, 30866180, 61732360, 123464720]

約数ペア:

[(1, 123464720), (2, 61732360), (4, 30866180), (5, 24692944), (8, 15433090), (10, 12346472), (16, 7716545), (20, 6173236), (40, 3086618), (80, 1543309)]