40219228

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20231}}^1$

素因数の和:20313

約数の個数: 24

約数和(自身を含む): 81575424

約数和(自身を除く): 41356196

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20231, 40462, 80924, 141617, 283234, 566468, 1436401, 2872802, 5745604, 10054807, 20109614, 40219228]

約数ペア:

[(1, 40219228), (2, 20109614), (4, 10054807), (7, 5745604), (14, 2872802), (28, 1436401), (71, 566468), (142, 283234), (284, 141617), (497, 80924), (994, 40462), (1988, 20231)]