1551148840

素因数分解:

$2^3\times 5^1\times {\mathrm{3203}}^1\times {\mathrm{12107}}^1$

素因数の和:15321

約数の個数: 32

約数和(自身を含む): 3491462880

約数和(自身を除く): 1940314040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3203, 6406, 12107, 12812, 16015, 24214, 25624, 32030, 48428, 60535, 64060, 96856, 121070, 128120, 242140, 484280, 38778721, 77557442, 155114884, 193893605, 310229768, 387787210, 775574420, 1551148840]

約数ペア:

[(1, 1551148840), (2, 775574420), (4, 387787210), (5, 310229768), (8, 193893605), (10, 155114884), (20, 77557442), (40, 38778721), (3203, 484280), (6406, 242140), (12107, 128120), (12812, 121070), (16015, 96856), (24214, 64060), (25624, 60535), (32030, 48428)]