26157720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{217981}}^1$

素因数の和:217995

約数の個数: 32

約数和(自身を含む): 78473520

約数和(自身を除く): 52315800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 217981, 435962, 653943, 871924, 1089905, 1307886, 1743848, 2179810, 2615772, 3269715, 4359620, 5231544, 6539430, 8719240, 13078860, 26157720]

約数ペア:

[(1, 26157720), (2, 13078860), (3, 8719240), (4, 6539430), (5, 5231544), (6, 4359620), (8, 3269715), (10, 2615772), (12, 2179810), (15, 1743848), (20, 1307886), (24, 1089905), (30, 871924), (40, 653943), (60, 435962), (120, 217981)]