25919920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24923}}^1$

素因数の和:24949

約数の個数: 40

約数和(自身を含む): 64902096

約数和(自身を除く): 38982176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24923, 49846, 99692, 124615, 199384, 249230, 323999, 398768, 498460, 647998, 996920, 1295996, 1619995, 1993840, 2591992, 3239990, 5183984, 6479980, 12959960, 25919920]

約数ペア:

[(1, 25919920), (2, 12959960), (4, 6479980), (5, 5183984), (8, 3239990), (10, 2591992), (13, 1993840), (16, 1619995), (20, 1295996), (26, 996920), (40, 647998), (52, 498460), (65, 398768), (80, 323999), (104, 249230), (130, 199384), (208, 124615), (260, 99692), (520, 49846), (1040, 24923)]