2018226440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1\times {\mathrm{823}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 4599106560

約数和(自身を除く): 2580880120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 607, 808, 823, 1010, 1214, 1646, 2020, 2428, 3035, 3292, 4040, 4115, 4856, 6070, 6584, 8230, 12140, 16460, 24280, 32920, 61307, 83123, 122614, 166246, 245228, 306535, 332492, 415615, 490456, 499561, 613070, 664984, 831230, 999122, 1226140, 1662460, 1998244, 2452280, 2497805, 3324920, 3996488, 4995610, 9991220, 19982440, 50455661, 100911322, 201822644, 252278305, 403645288, 504556610, 1009113220, 2018226440]

約数ペア:

[(1, 2018226440), (2, 1009113220), (4, 504556610), (5, 403645288), (8, 252278305), (10, 201822644), (20, 100911322), (40, 50455661), (101, 19982440), (202, 9991220), (404, 4995610), (505, 3996488), (607, 3324920), (808, 2497805), (823, 2452280), (1010, 1998244), (1214, 1662460), (1646, 1226140), (2020, 999122), (2428, 831230), (3035, 664984), (3292, 613070), (4040, 499561), (4115, 490456), (4856, 415615), (6070, 332492), (6584, 306535), (8230, 245228), (12140, 166246), (16460, 122614), (24280, 83123), (32920, 61307)]