123847760

素因数分解:

$2^4\times 5^1\times {\mathrm{1548097}}^1$

素因数の和:1548110

約数の個数: 20

約数和(自身を含む): 287946228

約数和(自身を除く): 164098468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1548097, 3096194, 6192388, 7740485, 12384776, 15480970, 24769552, 30961940, 61923880, 123847760]

約数ペア:

[(1, 123847760), (2, 61923880), (4, 30961940), (5, 24769552), (8, 15480970), (10, 12384776), (16, 7740485), (20, 6192388), (40, 3096194), (80, 1548097)]