419042480

素因数分解:

$2^4\times 5^1\times {\mathrm{5238031}}^1$

素因数の和:5238044

約数の個数: 20

約数和(自身を含む): 974273952

約数和(自身を除く): 555231472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5238031, 10476062, 20952124, 26190155, 41904248, 52380310, 83808496, 104760620, 209521240, 419042480]

約数ペア:

[(1, 419042480), (2, 209521240), (4, 104760620), (5, 83808496), (8, 52380310), (10, 41904248), (16, 26190155), (20, 20952124), (40, 10476062), (80, 5238031)]