18414320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 45077472

約数和(自身を除く): 26663152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 101, 106, 172, 202, 212, 215, 265, 344, 404, 424, 430, 505, 530, 688, 808, 848, 860, 1010, 1060, 1616, 1720, 2020, 2120, 2279, 3440, 4040, 4240, 4343, 4558, 5353, 8080, 8686, 9116, 10706, 11395, 17372, 18232, 21412, 21715, 22790, 26765, 34744, 36464, 42824, 43430, 45580, 53530, 69488, 85648, 86860, 91160, 107060, 173720, 182320, 214120, 230179, 347440, 428240, 460358, 920716, 1150895, 1841432, 2301790, 3682864, 4603580, 9207160, 18414320]

約数ペア:

[(1, 18414320), (2, 9207160), (4, 4603580), (5, 3682864), (8, 2301790), (10, 1841432), (16, 1150895), (20, 920716), (40, 460358), (43, 428240), (53, 347440), (80, 230179), (86, 214120), (101, 182320), (106, 173720), (172, 107060), (202, 91160), (212, 86860), (215, 85648), (265, 69488), (344, 53530), (404, 45580), (424, 43430), (430, 42824), (505, 36464), (530, 34744), (688, 26765), (808, 22790), (848, 21715), (860, 21412), (1010, 18232), (1060, 17372), (1616, 11395), (1720, 10706), (2020, 9116), (2120, 8686), (2279, 8080), (3440, 5353), (4040, 4558), (4240, 4343)]