12495760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 29339640

約数和(自身を除く): 16843880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1433, 1744, 2180, 2866, 4360, 5732, 7165, 8720, 11464, 14330, 22928, 28660, 57320, 114640, 156197, 312394, 624788, 780985, 1249576, 1561970, 2499152, 3123940, 6247880, 12495760]

約数ペア:

[(1, 12495760), (2, 6247880), (4, 3123940), (5, 2499152), (8, 1561970), (10, 1249576), (16, 780985), (20, 624788), (40, 312394), (80, 156197), (109, 114640), (218, 57320), (436, 28660), (545, 22928), (872, 14330), (1090, 11464), (1433, 8720), (1744, 7165), (2180, 5732), (2866, 4360)]