13567880

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 30637440

約数和(自身を除く): 17069560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 787, 862, 1574, 1724, 2155, 3148, 3448, 3935, 4310, 6296, 7870, 8620, 15740, 17240, 31480, 339197, 678394, 1356788, 1695985, 2713576, 3391970, 6783940, 13567880]

約数ペア:

[(1, 13567880), (2, 6783940), (4, 3391970), (5, 2713576), (8, 1695985), (10, 1356788), (20, 678394), (40, 339197), (431, 31480), (787, 17240), (862, 15740), (1574, 8620), (1724, 7870), (2155, 6296), (3148, 4310), (3448, 3935)]