39901010

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9007}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 71991936

約数和(自身を除く): 32090926

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 9007, 18014, 45035, 90070, 3990101, 7980202, 19950505, 39901010]

約数ペア:

[(1, 39901010), (2, 19950505), (5, 7980202), (10, 3990101), (443, 90070), (886, 45035), (2215, 18014), (4430, 9007)]