49305640

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2213}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 111187080

約数和(自身を除く): 61881440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2213, 2228, 2785, 4426, 4456, 5570, 8852, 11065, 11140, 17704, 22130, 22280, 44260, 88520, 1232641, 2465282, 4930564, 6163205, 9861128, 12326410, 24652820, 49305640]

約数ペア:

[(1, 49305640), (2, 24652820), (4, 12326410), (5, 9861128), (8, 6163205), (10, 4930564), (20, 2465282), (40, 1232641), (557, 88520), (1114, 44260), (2213, 22280), (2228, 22130), (2785, 17704), (4426, 11140), (4456, 11065), (5570, 8852)]