2019439040

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{16223}}^1$

素因数の和:16629

約数の個数: 56

約数和(自身を含む): 4821448320

約数和(自身を除く): 2802009280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 16223, 24896, 31120, 32446, 62240, 64892, 81115, 124480, 129784, 162230, 259568, 324460, 519136, 648920, 1038272, 1297840, 2595680, 5191360, 6310747, 12621494, 25242988, 31553735, 50485976, 63107470, 100971952, 126214940, 201943904, 252429880, 403887808, 504859760, 1009719520, 2019439040]

約数ペア:

[(1, 2019439040), (2, 1009719520), (4, 504859760), (5, 403887808), (8, 252429880), (10, 201943904), (16, 126214940), (20, 100971952), (32, 63107470), (40, 50485976), (64, 31553735), (80, 25242988), (160, 12621494), (320, 6310747), (389, 5191360), (778, 2595680), (1556, 1297840), (1945, 1038272), (3112, 648920), (3890, 519136), (6224, 324460), (7780, 259568), (12448, 162230), (15560, 129784), (16223, 124480), (24896, 81115), (31120, 64892), (32446, 62240)]