12041720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7001}}^1$

素因数の和:7055

約数の個数: 32

約数和(自身を含む): 27727920

約数和(自身を除く): 15686200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7001, 14002, 28004, 35005, 56008, 70010, 140020, 280040, 301043, 602086, 1204172, 1505215, 2408344, 3010430, 6020860, 12041720]

約数ペア:

[(1, 12041720), (2, 6020860), (4, 3010430), (5, 2408344), (8, 1505215), (10, 1204172), (20, 602086), (40, 301043), (43, 280040), (86, 140020), (172, 70010), (215, 56008), (344, 35005), (430, 28004), (860, 14002), (1720, 7001)]