13119640

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 29626560

約数和(自身を除く): 16506920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 761, 862, 1522, 1724, 2155, 3044, 3448, 3805, 4310, 6088, 7610, 8620, 15220, 17240, 30440, 327991, 655982, 1311964, 1639955, 2623928, 3279910, 6559820, 13119640]

約数ペア:

[(1, 13119640), (2, 6559820), (4, 3279910), (5, 2623928), (8, 1639955), (10, 1311964), (20, 655982), (40, 327991), (431, 30440), (761, 17240), (862, 15220), (1522, 8620), (1724, 7610), (2155, 6088), (3044, 4310), (3448, 3805)]