9815180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 21488544

約数和(自身を除く): 11673364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 113, 172, 202, 215, 226, 404, 430, 452, 505, 565, 860, 1010, 1130, 2020, 2260, 4343, 4859, 8686, 9718, 11413, 17372, 19436, 21715, 22826, 24295, 43430, 45652, 48590, 57065, 86860, 97180, 114130, 228260, 490759, 981518, 1963036, 2453795, 4907590, 9815180]

約数ペア:

[(1, 9815180), (2, 4907590), (4, 2453795), (5, 1963036), (10, 981518), (20, 490759), (43, 228260), (86, 114130), (101, 97180), (113, 86860), (172, 57065), (202, 48590), (215, 45652), (226, 43430), (404, 24295), (430, 22826), (452, 21715), (505, 19436), (565, 17372), (860, 11413), (1010, 9718), (1130, 8686), (2020, 4859), (2260, 4343)]