3921080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 8972640

約数和(自身を除く): 5051560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1607, 2440, 3214, 6428, 8035, 12856, 16070, 32140, 64280, 98027, 196054, 392108, 490135, 784216, 980270, 1960540, 3921080]

約数ペア:

[(1, 3921080), (2, 1960540), (4, 980270), (5, 784216), (8, 490135), (10, 392108), (20, 196054), (40, 98027), (61, 64280), (122, 32140), (244, 16070), (305, 12856), (488, 8035), (610, 6428), (1220, 3214), (1607, 2440)]