23651720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13751}}^1$

素因数の和:13805

約数の個数: 32

約数和(自身を含む): 54457920

約数和(自身を除く): 30806200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13751, 27502, 55004, 68755, 110008, 137510, 275020, 550040, 591293, 1182586, 2365172, 2956465, 4730344, 5912930, 11825860, 23651720]

約数ペア:

[(1, 23651720), (2, 11825860), (4, 5912930), (5, 4730344), (8, 2956465), (10, 2365172), (20, 1182586), (40, 591293), (43, 550040), (86, 275020), (172, 137510), (215, 110008), (344, 68755), (430, 55004), (860, 27502), (1720, 13751)]