131710640

素因数分解:

$2^4\times 5^1\times {\mathrm{1646383}}^1$

素因数の和:1646396

約数の個数: 20

約数和(自身を含む): 306227424

約数和(自身を除く): 174516784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1646383, 3292766, 6585532, 8231915, 13171064, 16463830, 26342128, 32927660, 65855320, 131710640]

約数ペア:

[(1, 131710640), (2, 65855320), (4, 32927660), (5, 26342128), (8, 16463830), (10, 13171064), (16, 8231915), (20, 6585532), (40, 3292766), (80, 1646383)]