39338890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44201}}^1$

素因数の和:44297

約数の個数: 16

約数和(自身を含む): 71607240

約数和(自身を除く): 32268350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 44201, 88402, 221005, 442010, 3933889, 7867778, 19669445, 39338890]

約数ペア:

[(1, 39338890), (2, 19669445), (5, 7867778), (10, 3933889), (89, 442010), (178, 221005), (445, 88402), (890, 44201)]