79745920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2351}}^1$

素因数の和:2423

約数の個数: 64

約数和(自身を含む): 194322240

約数和(自身を除く): 114576320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2351, 3392, 4240, 4702, 6784, 8480, 9404, 11755, 16960, 18808, 23510, 33920, 37616, 47020, 75232, 94040, 124603, 150464, 188080, 249206, 300928, 376160, 498412, 623015, 752320, 996824, 1246030, 1504640, 1993648, 2492060, 3987296, 4984120, 7974592, 9968240, 15949184, 19936480, 39872960, 79745920]

約数ペア:

[(1, 79745920), (2, 39872960), (4, 19936480), (5, 15949184), (8, 9968240), (10, 7974592), (16, 4984120), (20, 3987296), (32, 2492060), (40, 1993648), (53, 1504640), (64, 1246030), (80, 996824), (106, 752320), (128, 623015), (160, 498412), (212, 376160), (265, 300928), (320, 249206), (424, 188080), (530, 150464), (640, 124603), (848, 94040), (1060, 75232), (1696, 47020), (2120, 37616), (2351, 33920), (3392, 23510), (4240, 18808), (4702, 16960), (6784, 11755), (8480, 9404)]