66613840

素因数分解:

$2^4\times 5^1\times {\mathrm{832673}}^1$

素因数の和:832686

約数の個数: 20

約数和(自身を含む): 154877364

約数和(自身を除く): 88263524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832673, 1665346, 3330692, 4163365, 6661384, 8326730, 13322768, 16653460, 33306920, 66613840]

約数ペア:

[(1, 66613840), (2, 33306920), (4, 16653460), (5, 13322768), (8, 8326730), (10, 6661384), (16, 4163365), (20, 3330692), (40, 1665346), (80, 832673)]