2019435280

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{105619}}^1$

素因数の和:105871

約数の個数: 40

約数和(自身を含む): 4714876800

約数和(自身を除く): 2695441520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 105619, 211238, 422476, 528095, 844952, 1056190, 1689904, 2112380, 4224760, 8449520, 25242941, 50485882, 100971764, 126214705, 201943528, 252429410, 403887056, 504858820, 1009717640, 2019435280]

約数ペア:

[(1, 2019435280), (2, 1009717640), (4, 504858820), (5, 403887056), (8, 252429410), (10, 201943528), (16, 126214705), (20, 100971764), (40, 50485882), (80, 25242941), (239, 8449520), (478, 4224760), (956, 2112380), (1195, 1689904), (1912, 1056190), (2390, 844952), (3824, 528095), (4780, 422476), (9560, 211238), (19120, 105619)]