16121080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6607}}^1$

素因数の和:6679

約数の個数: 32

約数和(自身を含む): 36872640

約数和(自身を除く): 20751560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6607, 13214, 26428, 33035, 52856, 66070, 132140, 264280, 403027, 806054, 1612108, 2015135, 3224216, 4030270, 8060540, 16121080]

約数ペア:

[(1, 16121080), (2, 8060540), (4, 4030270), (5, 3224216), (8, 2015135), (10, 1612108), (20, 806054), (40, 403027), (61, 264280), (122, 132140), (244, 66070), (305, 52856), (488, 33035), (610, 26428), (1220, 13214), (2440, 6607)]