38851840

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 94187520

約数和(自身を除く): 55335680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 239, 254, 256, 320, 478, 508, 635, 640, 956, 1016, 1195, 1270, 1280, 1912, 2032, 2390, 2540, 3824, 4064, 4780, 5080, 7648, 8128, 9560, 10160, 15296, 16256, 19120, 20320, 30353, 30592, 32512, 38240, 40640, 60706, 61184, 76480, 81280, 121412, 151765, 152960, 162560, 242824, 303530, 305920, 485648, 607060, 971296, 1214120, 1942592, 2428240, 3885184, 4856480, 7770368, 9712960, 19425920, 38851840]

約数ペア:

[(1, 38851840), (2, 19425920), (4, 9712960), (5, 7770368), (8, 4856480), (10, 3885184), (16, 2428240), (20, 1942592), (32, 1214120), (40, 971296), (64, 607060), (80, 485648), (127, 305920), (128, 303530), (160, 242824), (239, 162560), (254, 152960), (256, 151765), (320, 121412), (478, 81280), (508, 76480), (635, 61184), (640, 60706), (956, 40640), (1016, 38240), (1195, 32512), (1270, 30592), (1280, 30353), (1912, 20320), (2032, 19120), (2390, 16256), (2540, 15296), (3824, 10160), (4064, 9560), (4780, 8128), (5080, 7648)]