9969880

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 22537440

約数和(自身を除く): 12567560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 887, 1124, 1405, 1774, 2248, 2810, 3548, 4435, 5620, 7096, 8870, 11240, 17740, 35480, 249247, 498494, 996988, 1246235, 1993976, 2492470, 4984940, 9969880]

約数ペア:

[(1, 9969880), (2, 4984940), (4, 2492470), (5, 1993976), (8, 1246235), (10, 996988), (20, 498494), (40, 249247), (281, 35480), (562, 17740), (887, 11240), (1124, 8870), (1405, 7096), (1774, 5620), (2248, 4435), (2810, 3548)]