28830080

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 69731280

約数和(自身を除く): 40901200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 421, 428, 535, 640, 842, 856, 1070, 1684, 1712, 2105, 2140, 3368, 3424, 4210, 4280, 6736, 6848, 8420, 8560, 13472, 13696, 16840, 17120, 26944, 33680, 34240, 45047, 53888, 67360, 68480, 90094, 134720, 180188, 225235, 269440, 360376, 450470, 720752, 900940, 1441504, 1801880, 2883008, 3603760, 5766016, 7207520, 14415040, 28830080]

約数ペア:

[(1, 28830080), (2, 14415040), (4, 7207520), (5, 5766016), (8, 3603760), (10, 2883008), (16, 1801880), (20, 1441504), (32, 900940), (40, 720752), (64, 450470), (80, 360376), (107, 269440), (128, 225235), (160, 180188), (214, 134720), (320, 90094), (421, 68480), (428, 67360), (535, 53888), (640, 45047), (842, 34240), (856, 33680), (1070, 26944), (1684, 17120), (1712, 16840), (2105, 13696), (2140, 13472), (3368, 8560), (3424, 8420), (4210, 6848), (4280, 6736)]