1811852080

素因数分解:

$2^4\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{17989}}^1$

素因数の和:19261

約数の個数: 40

約数和(自身を含む): 4216136400

約数和(自身を除く): 2404284320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1259, 2518, 5036, 6295, 10072, 12590, 17989, 20144, 25180, 35978, 50360, 71956, 89945, 100720, 143912, 179890, 287824, 359780, 719560, 1439120, 22648151, 45296302, 90592604, 113240755, 181185208, 226481510, 362370416, 452963020, 905926040, 1811852080]

約数ペア:

[(1, 1811852080), (2, 905926040), (4, 452963020), (5, 362370416), (8, 226481510), (10, 181185208), (16, 113240755), (20, 90592604), (40, 45296302), (80, 22648151), (1259, 1439120), (2518, 719560), (5036, 359780), (6295, 287824), (10072, 179890), (12590, 143912), (17989, 100720), (20144, 89945), (25180, 71956), (35978, 50360)]