2020681720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{42487}}^1$

素因数の和:42568

約数の個数: 64

約数和(自身を含む): 4818139200

約数和(自身を除く): 2797457480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 42487, 47560, 84974, 169948, 212435, 339896, 424870, 849740, 1232123, 1699480, 1741967, 2464246, 3483934, 4928492, 6160615, 6967868, 8709835, 9856984, 12321230, 13935736, 17419670, 24642460, 34839340, 49284920, 50517043, 69678680, 101034086, 202068172, 252585215, 404136344, 505170430, 1010340860, 2020681720]

約数ペア:

[(1, 2020681720), (2, 1010340860), (4, 505170430), (5, 404136344), (8, 252585215), (10, 202068172), (20, 101034086), (29, 69678680), (40, 50517043), (41, 49284920), (58, 34839340), (82, 24642460), (116, 17419670), (145, 13935736), (164, 12321230), (205, 9856984), (232, 8709835), (290, 6967868), (328, 6160615), (410, 4928492), (580, 3483934), (820, 2464246), (1160, 1741967), (1189, 1699480), (1640, 1232123), (2378, 849740), (4756, 424870), (5945, 339896), (9512, 212435), (11890, 169948), (23780, 84974), (42487, 47560)]