55193240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12659}}^1$

素因数の和:12779

約数の個数: 32

約数和(自身を含む): 125334000

約数和(自身を除く): 70140760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12659, 25318, 50636, 63295, 101272, 126590, 253180, 506360, 1379831, 2759662, 5519324, 6899155, 11038648, 13798310, 27596620, 55193240]

約数ペア:

[(1, 55193240), (2, 27596620), (4, 13798310), (5, 11038648), (8, 6899155), (10, 5519324), (20, 2759662), (40, 1379831), (109, 506360), (218, 253180), (436, 126590), (545, 101272), (872, 63295), (1090, 50636), (2180, 25318), (4360, 12659)]