165642020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1907}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 359650368

約数和(自身を除く): 194008348

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 860, 1010, 1907, 2020, 3814, 4343, 7628, 8686, 9535, 17372, 19070, 21715, 38140, 43430, 82001, 86860, 164002, 192607, 328004, 385214, 410005, 770428, 820010, 963035, 1640020, 1926070, 3852140, 8282101, 16564202, 33128404, 41410505, 82821010, 165642020]

約数ペア:

[(1, 165642020), (2, 82821010), (4, 41410505), (5, 33128404), (10, 16564202), (20, 8282101), (43, 3852140), (86, 1926070), (101, 1640020), (172, 963035), (202, 820010), (215, 770428), (404, 410005), (430, 385214), (505, 328004), (860, 192607), (1010, 164002), (1907, 86860), (2020, 82001), (3814, 43430), (4343, 38140), (7628, 21715), (8686, 19070), (9535, 17372)]