17909120

素因数分解:

$2^7\times 5^1\times {\mathrm{27983}}^1$

素因数の和:28002

約数の個数: 32

約数和(自身を含む): 42815520

約数和(自身を除く): 24906400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 27983, 55966, 111932, 139915, 223864, 279830, 447728, 559660, 895456, 1119320, 1790912, 2238640, 3581824, 4477280, 8954560, 17909120]

約数ペア:

[(1, 17909120), (2, 8954560), (4, 4477280), (5, 3581824), (8, 2238640), (10, 1790912), (16, 1119320), (20, 895456), (32, 559660), (40, 447728), (64, 279830), (80, 223864), (128, 139915), (160, 111932), (320, 55966), (640, 27983)]