49738540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{27943}}^1$

素因数の和:28041

約数の個数: 24

約数和(自身を含む): 105628320

約数和(自身を除く): 55889780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 27943, 55886, 111772, 139715, 279430, 558860, 2486927, 4973854, 9947708, 12434635, 24869270, 49738540]

約数ペア:

[(1, 49738540), (2, 24869270), (4, 12434635), (5, 9947708), (10, 4973854), (20, 2486927), (89, 558860), (178, 279430), (356, 139715), (445, 111772), (890, 55886), (1780, 27943)]