80021200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28579}}^1$

素因数の和:28604

約数の個数: 60

約数和(自身を含む): 219723040

約数和(自身を除く): 139701840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28579, 57158, 114316, 142895, 200053, 228632, 285790, 400106, 457264, 571580, 714475, 800212, 1000265, 1143160, 1428950, 1600424, 2000530, 2286320, 2857900, 3200848, 4001060, 5001325, 5715800, 8002120, 10002650, 11431600, 16004240, 20005300, 40010600, 80021200]

約数ペア:

[(1, 80021200), (2, 40010600), (4, 20005300), (5, 16004240), (7, 11431600), (8, 10002650), (10, 8002120), (14, 5715800), (16, 5001325), (20, 4001060), (25, 3200848), (28, 2857900), (35, 2286320), (40, 2000530), (50, 1600424), (56, 1428950), (70, 1143160), (80, 1000265), (100, 800212), (112, 714475), (140, 571580), (175, 457264), (200, 400106), (280, 285790), (350, 228632), (400, 200053), (560, 142895), (700, 114316), (1400, 57158), (2800, 28579)]