18157280

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 43155504

約数和(自身を除く): 24998224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 401, 566, 802, 1132, 1415, 1604, 2005, 2264, 2830, 3208, 4010, 4528, 5660, 6416, 8020, 9056, 11320, 12832, 16040, 22640, 32080, 45280, 64160, 113483, 226966, 453932, 567415, 907864, 1134830, 1815728, 2269660, 3631456, 4539320, 9078640, 18157280]

約数ペア:

[(1, 18157280), (2, 9078640), (4, 4539320), (5, 3631456), (8, 2269660), (10, 1815728), (16, 1134830), (20, 907864), (32, 567415), (40, 453932), (80, 226966), (160, 113483), (283, 64160), (401, 45280), (566, 32080), (802, 22640), (1132, 16040), (1415, 12832), (1604, 11320), (2005, 9056), (2264, 8020), (2830, 6416), (3208, 5660), (4010, 4528)]