4040185840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{26317}}^1$

素因数の和:26450

約数の個数: 80

約数和(自身を含む): 9986101920

約数和(自身を除く): 5945916080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 505, 760, 808, 1010, 1520, 1616, 1919, 2020, 3838, 4040, 7676, 8080, 9595, 15352, 19190, 26317, 30704, 38380, 52634, 76760, 105268, 131585, 153520, 210536, 263170, 421072, 500023, 526340, 1000046, 1052680, 2000092, 2105360, 2500115, 2658017, 4000184, 5000230, 5316034, 8000368, 10000460, 10632068, 13290085, 20000920, 21264136, 26580170, 40001840, 42528272, 50502323, 53160340, 101004646, 106320680, 202009292, 212641360, 252511615, 404018584, 505023230, 808037168, 1010046460, 2020092920, 4040185840]

約数ペア:

[(1, 4040185840), (2, 2020092920), (4, 1010046460), (5, 808037168), (8, 505023230), (10, 404018584), (16, 252511615), (19, 212641360), (20, 202009292), (38, 106320680), (40, 101004646), (76, 53160340), (80, 50502323), (95, 42528272), (101, 40001840), (152, 26580170), (190, 21264136), (202, 20000920), (304, 13290085), (380, 10632068), (404, 10000460), (505, 8000368), (760, 5316034), (808, 5000230), (1010, 4000184), (1520, 2658017), (1616, 2500115), (1919, 2105360), (2020, 2000092), (3838, 1052680), (4040, 1000046), (7676, 526340), (8080, 500023), (9595, 421072), (15352, 263170), (19190, 210536), (26317, 153520), (30704, 131585), (38380, 105268), (52634, 76760)]