16992280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2347}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 38460240

約数和(自身を除く): 21467960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2347, 3620, 4694, 7240, 9388, 11735, 18776, 23470, 46940, 93880, 424807, 849614, 1699228, 2124035, 3398456, 4248070, 8496140, 16992280]

約数ペア:

[(1, 16992280), (2, 8496140), (4, 4248070), (5, 3398456), (8, 2124035), (10, 1699228), (20, 849614), (40, 424807), (181, 93880), (362, 46940), (724, 23470), (905, 18776), (1448, 11735), (1810, 9388), (2347, 7240), (3620, 4694)]