28305280

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 69180480

約数和(自身を除く): 40875200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 941, 1504, 1880, 1882, 3008, 3760, 3764, 4705, 6016, 7520, 7528, 9410, 15040, 15056, 18820, 30080, 30112, 37640, 44227, 60224, 75280, 88454, 120448, 150560, 176908, 221135, 301120, 353816, 442270, 602240, 707632, 884540, 1415264, 1769080, 2830528, 3538160, 5661056, 7076320, 14152640, 28305280]

約数ペア:

[(1, 28305280), (2, 14152640), (4, 7076320), (5, 5661056), (8, 3538160), (10, 2830528), (16, 1769080), (20, 1415264), (32, 884540), (40, 707632), (47, 602240), (64, 442270), (80, 353816), (94, 301120), (128, 221135), (160, 176908), (188, 150560), (235, 120448), (320, 88454), (376, 75280), (470, 60224), (640, 44227), (752, 37640), (940, 30112), (941, 30080), (1504, 18820), (1880, 15056), (1882, 15040), (3008, 9410), (3760, 7528), (3764, 7520), (4705, 6016)]