201899440

素因数分解:

$2^4\times 5^1\times {\mathrm{2523743}}^1$

素因数の和:2523756

約数の個数: 20

約数和(自身を含む): 469416384

約数和(自身を除く): 267516944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523743, 5047486, 10094972, 12618715, 20189944, 25237430, 40379888, 50474860, 100949720, 201899440]

約数ペア:

[(1, 201899440), (2, 100949720), (4, 50474860), (5, 40379888), (8, 25237430), (10, 20189944), (16, 12618715), (20, 10094972), (40, 5047486), (80, 2523743)]