12959960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24923}}^1$

素因数の和:24947

約数の個数: 32

約数和(自身を含む): 31404240

約数和(自身を除く): 18444280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24923, 49846, 99692, 124615, 199384, 249230, 323999, 498460, 647998, 996920, 1295996, 1619995, 2591992, 3239990, 6479980, 12959960]

約数ペア:

[(1, 12959960), (2, 6479980), (4, 3239990), (5, 2591992), (8, 1619995), (10, 1295996), (13, 996920), (20, 647998), (26, 498460), (40, 323999), (52, 249230), (65, 199384), (104, 124615), (130, 99692), (260, 49846), (520, 24923)]