2023151920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{1291}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 4960039680

約数和(自身を除く): 2936887760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1031, 1291, 1520, 2062, 2582, 4124, 5155, 5164, 6455, 8248, 10310, 10328, 12910, 16496, 19589, 20620, 20656, 24529, 25820, 39178, 41240, 49058, 51640, 78356, 82480, 97945, 98116, 103280, 122645, 156712, 195890, 196232, 245290, 313424, 391780, 392464, 490580, 783560, 981160, 1331021, 1567120, 1962320, 2662042, 5324084, 6655105, 10648168, 13310210, 21296336, 25289399, 26620420, 50578798, 53240840, 101157596, 106481680, 126446995, 202315192, 252893990, 404630384, 505787980, 1011575960, 2023151920]

約数ペア:

[(1, 2023151920), (2, 1011575960), (4, 505787980), (5, 404630384), (8, 252893990), (10, 202315192), (16, 126446995), (19, 106481680), (20, 101157596), (38, 53240840), (40, 50578798), (76, 26620420), (80, 25289399), (95, 21296336), (152, 13310210), (190, 10648168), (304, 6655105), (380, 5324084), (760, 2662042), (1031, 1962320), (1291, 1567120), (1520, 1331021), (2062, 981160), (2582, 783560), (4124, 490580), (5155, 392464), (5164, 391780), (6455, 313424), (8248, 245290), (10310, 196232), (10328, 195890), (12910, 156712), (16496, 122645), (19589, 103280), (20620, 98116), (20656, 97945), (24529, 82480), (25820, 78356), (39178, 51640), (41240, 49058)]