20231991760

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1\times {\mathrm{2447}}^1$

素因数の和:3212

約数の個数: 80

約数和(自身を含む): 47401466112

約数和(自身を除く): 27169474352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 571, 724, 905, 1142, 1448, 1810, 2284, 2447, 2855, 2896, 3620, 4568, 4894, 5710, 7240, 9136, 9788, 11420, 12235, 14480, 19576, 22840, 24470, 39152, 45680, 48940, 97880, 103351, 195760, 206702, 413404, 442907, 516755, 826808, 885814, 1033510, 1397237, 1653616, 1771628, 2067020, 2214535, 2794474, 3543256, 4134040, 4429070, 5588948, 6986185, 7086512, 8268080, 8858140, 11177896, 13972370, 17716280, 22355792, 27944740, 35432560, 55889480, 111778960, 252899897, 505799794, 1011599588, 1264499485, 2023199176, 2528998970, 4046398352, 5057997940, 10115995880, 20231991760]

約数ペア:

[(1, 20231991760), (2, 10115995880), (4, 5057997940), (5, 4046398352), (8, 2528998970), (10, 2023199176), (16, 1264499485), (20, 1011599588), (40, 505799794), (80, 252899897), (181, 111778960), (362, 55889480), (571, 35432560), (724, 27944740), (905, 22355792), (1142, 17716280), (1448, 13972370), (1810, 11177896), (2284, 8858140), (2447, 8268080), (2855, 7086512), (2896, 6986185), (3620, 5588948), (4568, 4429070), (4894, 4134040), (5710, 3543256), (7240, 2794474), (9136, 2214535), (9788, 2067020), (11420, 1771628), (12235, 1653616), (14480, 1397237), (19576, 1033510), (22840, 885814), (24470, 826808), (39152, 516755), (45680, 442907), (48940, 413404), (97880, 206702), (103351, 195760)]