79857920

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 193709880

約数和(自身を除く): 113851960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 701, 712, 890, 1280, 1402, 1424, 1780, 2804, 2848, 3505, 3560, 5608, 5696, 7010, 7120, 11216, 11392, 14020, 14240, 22432, 22784, 28040, 28480, 44864, 56080, 56960, 62389, 89728, 112160, 113920, 124778, 179456, 224320, 249556, 311945, 448640, 499112, 623890, 897280, 998224, 1247780, 1996448, 2495560, 3992896, 4991120, 7985792, 9982240, 15971584, 19964480, 39928960, 79857920]

約数ペア:

[(1, 79857920), (2, 39928960), (4, 19964480), (5, 15971584), (8, 9982240), (10, 7985792), (16, 4991120), (20, 3992896), (32, 2495560), (40, 1996448), (64, 1247780), (80, 998224), (89, 897280), (128, 623890), (160, 499112), (178, 448640), (256, 311945), (320, 249556), (356, 224320), (445, 179456), (640, 124778), (701, 113920), (712, 112160), (890, 89728), (1280, 62389), (1402, 56960), (1424, 56080), (1780, 44864), (2804, 28480), (2848, 28040), (3505, 22784), (3560, 22432), (5608, 14240), (5696, 14020), (7010, 11392), (7120, 11216)]