156907760

素因数分解:

$2^4\times 5^1\times {\mathrm{1961347}}^1$

素因数の和:1961360

約数の個数: 20

約数和(自身を含む): 364810728

約数和(自身を除く): 207902968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961347, 3922694, 7845388, 9806735, 15690776, 19613470, 31381552, 39226940, 78453880, 156907760]

約数ペア:

[(1, 156907760), (2, 78453880), (4, 39226940), (5, 31381552), (8, 19613470), (10, 15690776), (16, 9806735), (20, 7845388), (40, 3922694), (80, 1961347)]