9439720

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 21328200

約数和(自身を除く): 11888480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 577, 818, 1154, 1636, 2045, 2308, 2885, 3272, 4090, 4616, 5770, 8180, 11540, 16360, 23080, 235993, 471986, 943972, 1179965, 1887944, 2359930, 4719860, 9439720]

約数ペア:

[(1, 9439720), (2, 4719860), (4, 2359930), (5, 1887944), (8, 1179965), (10, 943972), (20, 471986), (40, 235993), (409, 23080), (577, 16360), (818, 11540), (1154, 8180), (1636, 5770), (2045, 4616), (2308, 4090), (2885, 3272)]