52779520

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 80

約数和(自身を含む): 129266280

約数和(自身を除く): 76486760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 389, 424, 512, 530, 640, 778, 848, 1060, 1280, 1556, 1696, 1945, 2120, 2560, 3112, 3392, 3890, 4240, 6224, 6784, 7780, 8480, 12448, 13568, 15560, 16960, 20617, 24896, 27136, 31120, 33920, 41234, 49792, 62240, 67840, 82468, 99584, 103085, 124480, 135680, 164936, 199168, 206170, 248960, 329872, 412340, 497920, 659744, 824680, 995840, 1319488, 1649360, 2638976, 3298720, 5277952, 6597440, 10555904, 13194880, 26389760, 52779520]

約数ペア:

[(1, 52779520), (2, 26389760), (4, 13194880), (5, 10555904), (8, 6597440), (10, 5277952), (16, 3298720), (20, 2638976), (32, 1649360), (40, 1319488), (53, 995840), (64, 824680), (80, 659744), (106, 497920), (128, 412340), (160, 329872), (212, 248960), (256, 206170), (265, 199168), (320, 164936), (389, 135680), (424, 124480), (512, 103085), (530, 99584), (640, 82468), (778, 67840), (848, 62240), (1060, 49792), (1280, 41234), (1556, 33920), (1696, 31120), (1945, 27136), (2120, 24896), (2560, 20617), (3112, 16960), (3392, 15560), (3890, 13568), (4240, 12448), (6224, 8480), (6784, 7780)]