65328800

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 72

約数和(自身を含む): 160989696

約数和(自身を除く): 95660896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 643, 800, 1016, 1270, 1286, 2032, 2540, 2572, 3175, 3215, 4064, 5080, 5144, 6350, 6430, 10160, 10288, 12700, 12860, 16075, 20320, 20576, 25400, 25720, 32150, 50800, 51440, 64300, 81661, 101600, 102880, 128600, 163322, 257200, 326644, 408305, 514400, 653288, 816610, 1306576, 1633220, 2041525, 2613152, 3266440, 4083050, 6532880, 8166100, 13065760, 16332200, 32664400, 65328800]

約数ペア:

[(1, 65328800), (2, 32664400), (4, 16332200), (5, 13065760), (8, 8166100), (10, 6532880), (16, 4083050), (20, 3266440), (25, 2613152), (32, 2041525), (40, 1633220), (50, 1306576), (80, 816610), (100, 653288), (127, 514400), (160, 408305), (200, 326644), (254, 257200), (400, 163322), (508, 128600), (635, 102880), (643, 101600), (800, 81661), (1016, 64300), (1270, 51440), (1286, 50800), (2032, 32150), (2540, 25720), (2572, 25400), (3175, 20576), (3215, 20320), (4064, 16075), (5080, 12860), (5144, 12700), (6350, 10288), (6430, 10160)]