76438540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42943}}^1$

素因数の和:43041

約数の個数: 24

約数和(自身を含む): 162328320

約数和(自身を除く): 85889780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 42943, 85886, 171772, 214715, 429430, 858860, 3821927, 7643854, 15287708, 19109635, 38219270, 76438540]

約数ペア:

[(1, 76438540), (2, 38219270), (4, 19109635), (5, 15287708), (10, 7643854), (20, 3821927), (89, 858860), (178, 429430), (356, 214715), (445, 171772), (890, 85886), (1780, 42943)]