16804520

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2347}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 38037600

約数和(自身を除く): 21233080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2347, 3580, 4694, 7160, 9388, 11735, 18776, 23470, 46940, 93880, 420113, 840226, 1680452, 2100565, 3360904, 4201130, 8402260, 16804520]

約数ペア:

[(1, 16804520), (2, 8402260), (4, 4201130), (5, 3360904), (8, 2100565), (10, 1680452), (20, 840226), (40, 420113), (179, 93880), (358, 46940), (716, 23470), (895, 18776), (1432, 11735), (1790, 9388), (2347, 7160), (3580, 4694)]