40005590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 76839840

約数和(自身を除く): 36834250

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 1693, 2363, 3386, 4726, 8465, 11815, 16930, 23630, 28781, 57562, 143905, 235327, 287810, 470654, 1176635, 2353270, 4000559, 8001118, 20002795, 40005590]

約数ペア:

[(1, 40005590), (2, 20002795), (5, 8001118), (10, 4000559), (17, 2353270), (34, 1176635), (85, 470654), (139, 287810), (170, 235327), (278, 143905), (695, 57562), (1390, 28781), (1693, 23630), (2363, 16930), (3386, 11815), (4726, 8465)]