201499880

素因数分解:

$2^3\times 5^1\times {\mathrm{5037497}}^1$

素因数の和:5037508

約数の個数: 16

約数和(自身を含む): 453374820

約数和(自身を除く): 251874940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037497, 10074994, 20149988, 25187485, 40299976, 50374970, 100749940, 201499880]

約数ペア:

[(1, 201499880), (2, 100749940), (4, 50374970), (5, 40299976), (8, 25187485), (10, 20149988), (20, 10074994), (40, 5037497)]