40187890

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{3089}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 72417240

約数和(自身を除く): 32229350

約数列:

[1, 2, 5, 10, 1301, 2602, 3089, 6178, 6505, 13010, 15445, 30890, 4018789, 8037578, 20093945, 40187890]

約数ペア:

[(1, 40187890), (2, 20093945), (5, 8037578), (10, 4018789), (1301, 30890), (2602, 15445), (3089, 13010), (6178, 6505)]