12656360

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 28584360

約数和(自身を除く): 15928000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 797, 1588, 1594, 1985, 3176, 3188, 3970, 3985, 6376, 7940, 7970, 15880, 15940, 31880, 316409, 632818, 1265636, 1582045, 2531272, 3164090, 6328180, 12656360]

約数ペア:

[(1, 12656360), (2, 6328180), (4, 3164090), (5, 2531272), (8, 1582045), (10, 1265636), (20, 632818), (40, 316409), (397, 31880), (794, 15940), (797, 15880), (1588, 7970), (1594, 7940), (1985, 6376), (3176, 3985), (3188, 3970)]