28265620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 63423360

約数和(自身を除く): 35157740

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1429, 1978, 2858, 3956, 4945, 5716, 7145, 9890, 14290, 19780, 28580, 32867, 61447, 65734, 122894, 131468, 164335, 245788, 307235, 328670, 614470, 657340, 1228940, 1413281, 2826562, 5653124, 7066405, 14132810, 28265620]

約数ペア:

[(1, 28265620), (2, 14132810), (4, 7066405), (5, 5653124), (10, 2826562), (20, 1413281), (23, 1228940), (43, 657340), (46, 614470), (86, 328670), (92, 307235), (115, 245788), (172, 164335), (215, 131468), (230, 122894), (430, 65734), (460, 61447), (860, 32867), (989, 28580), (1429, 19780), (1978, 14290), (2858, 9890), (3956, 7145), (4945, 5716)]