40487680

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 99191232

約数和(自身を除く): 58703552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 673, 752, 940, 1280, 1346, 1504, 1880, 2692, 3008, 3365, 3760, 5384, 6016, 6730, 7520, 10768, 12032, 13460, 15040, 21536, 26920, 30080, 31631, 43072, 53840, 60160, 63262, 86144, 107680, 126524, 158155, 172288, 215360, 253048, 316310, 430720, 506096, 632620, 861440, 1012192, 1265240, 2024384, 2530480, 4048768, 5060960, 8097536, 10121920, 20243840, 40487680]

約数ペア:

[(1, 40487680), (2, 20243840), (4, 10121920), (5, 8097536), (8, 5060960), (10, 4048768), (16, 2530480), (20, 2024384), (32, 1265240), (40, 1012192), (47, 861440), (64, 632620), (80, 506096), (94, 430720), (128, 316310), (160, 253048), (188, 215360), (235, 172288), (256, 158155), (320, 126524), (376, 107680), (470, 86144), (640, 63262), (673, 60160), (752, 53840), (940, 43072), (1280, 31631), (1346, 30080), (1504, 26920), (1880, 21536), (2692, 15040), (3008, 13460), (3365, 12032), (3760, 10768), (5384, 7520), (6016, 6730)]