123804920

素因数分解:

$2^3\times 5^1\times {\mathrm{3095123}}^1$

素因数の和:3095134

約数の個数: 16

約数和(自身を含む): 278561160

約数和(自身を除く): 154756240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3095123, 6190246, 12380492, 15475615, 24760984, 30951230, 61902460, 123804920]

約数ペア:

[(1, 123804920), (2, 61902460), (4, 30951230), (5, 24760984), (8, 15475615), (10, 12380492), (20, 6190246), (40, 3095123)]