31199440

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{683}}^1$

素因数の和:1267

約数の個数: 40

約数和(自身を含む): 72772128

約数和(自身を除く): 41572688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 683, 1142, 1366, 2284, 2732, 2855, 3415, 4568, 5464, 5710, 6830, 9136, 10928, 11420, 13660, 22840, 27320, 45680, 54640, 389993, 779986, 1559972, 1949965, 3119944, 3899930, 6239888, 7799860, 15599720, 31199440]

約数ペア:

[(1, 31199440), (2, 15599720), (4, 7799860), (5, 6239888), (8, 3899930), (10, 3119944), (16, 1949965), (20, 1559972), (40, 779986), (80, 389993), (571, 54640), (683, 45680), (1142, 27320), (1366, 22840), (2284, 13660), (2732, 11420), (2855, 10928), (3415, 9136), (4568, 6830), (5464, 5710)]