2022157840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{2069}}^1$

素因数の和:2744

約数の個数: 80

約数和(自身を含む): 4959057600

約数和(自身を除く): 2936899760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 643, 760, 1286, 1520, 2069, 2572, 3215, 4138, 5144, 6430, 8276, 10288, 10345, 12217, 12860, 16552, 20690, 24434, 25720, 33104, 39311, 41380, 48868, 51440, 61085, 78622, 82760, 97736, 122170, 157244, 165520, 195472, 196555, 244340, 314488, 393110, 488680, 628976, 786220, 977360, 1330367, 1572440, 2660734, 3144880, 5321468, 6651835, 10642936, 13303670, 21285872, 25276973, 26607340, 50553946, 53214680, 101107892, 106429360, 126384865, 202215784, 252769730, 404431568, 505539460, 1011078920, 2022157840]

約数ペア:

[(1, 2022157840), (2, 1011078920), (4, 505539460), (5, 404431568), (8, 252769730), (10, 202215784), (16, 126384865), (19, 106429360), (20, 101107892), (38, 53214680), (40, 50553946), (76, 26607340), (80, 25276973), (95, 21285872), (152, 13303670), (190, 10642936), (304, 6651835), (380, 5321468), (643, 3144880), (760, 2660734), (1286, 1572440), (1520, 1330367), (2069, 977360), (2572, 786220), (3215, 628976), (4138, 488680), (5144, 393110), (6430, 314488), (8276, 244340), (10288, 196555), (10345, 195472), (12217, 165520), (12860, 157244), (16552, 122170), (20690, 97736), (24434, 82760), (25720, 78622), (33104, 61085), (39311, 51440), (41380, 48868)]