40488970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 76412160

約数和(自身を除く): 35923190

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 401, 439, 802, 878, 2005, 2195, 4010, 4390, 9223, 10097, 18446, 20194, 46115, 50485, 92230, 100970, 176039, 352078, 880195, 1760390, 4048897, 8097794, 20244485, 40488970]

約数ペア:

[(1, 40488970), (2, 20244485), (5, 8097794), (10, 4048897), (23, 1760390), (46, 880195), (115, 352078), (230, 176039), (401, 100970), (439, 92230), (802, 50485), (878, 46115), (2005, 20194), (2195, 18446), (4010, 10097), (4390, 9223)]