64795520

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 156243600

約数和(自身を除く): 91448080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 739, 1096, 1370, 1478, 2192, 2740, 2956, 3695, 4384, 5480, 5912, 7390, 8768, 10960, 11824, 14780, 17536, 21920, 23648, 29560, 43840, 47296, 59120, 87680, 94592, 101243, 118240, 202486, 236480, 404972, 472960, 506215, 809944, 1012430, 1619888, 2024860, 3239776, 4049720, 6479552, 8099440, 12959104, 16198880, 32397760, 64795520]

約数ペア:

[(1, 64795520), (2, 32397760), (4, 16198880), (5, 12959104), (8, 8099440), (10, 6479552), (16, 4049720), (20, 3239776), (32, 2024860), (40, 1619888), (64, 1012430), (80, 809944), (128, 506215), (137, 472960), (160, 404972), (274, 236480), (320, 202486), (548, 118240), (640, 101243), (685, 94592), (739, 87680), (1096, 59120), (1370, 47296), (1478, 43840), (2192, 29560), (2740, 23648), (2956, 21920), (3695, 17536), (4384, 14780), (5480, 11824), (5912, 10960), (7390, 8768)]