66975940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 147071232

約数和(自身を除く): 80095292

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 1657, 2021, 3314, 4042, 6628, 8084, 8285, 10105, 16570, 20210, 33140, 40420, 71251, 77879, 142502, 155758, 285004, 311516, 356255, 389395, 712510, 778790, 1425020, 1557580, 3348797, 6697594, 13395188, 16743985, 33487970, 66975940]

約数ペア:

[(1, 66975940), (2, 33487970), (4, 16743985), (5, 13395188), (10, 6697594), (20, 3348797), (43, 1557580), (47, 1425020), (86, 778790), (94, 712510), (172, 389395), (188, 356255), (215, 311516), (235, 285004), (430, 155758), (470, 142502), (860, 77879), (940, 71251), (1657, 40420), (2021, 33140), (3314, 20210), (4042, 16570), (6628, 10105), (8084, 8285)]