16428800

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 108

約数和(自身を含む): 43340976

約数和(自身を除く): 26912176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 151, 160, 170, 200, 256, 272, 302, 320, 340, 400, 425, 544, 604, 640, 680, 755, 800, 850, 1088, 1208, 1280, 1360, 1510, 1600, 1700, 2176, 2416, 2567, 2720, 3020, 3200, 3400, 3775, 4352, 4832, 5134, 5440, 6040, 6400, 6800, 7550, 9664, 10268, 10880, 12080, 12835, 13600, 15100, 19328, 20536, 21760, 24160, 25670, 27200, 30200, 38656, 41072, 48320, 51340, 54400, 60400, 64175, 82144, 96640, 102680, 108800, 120800, 128350, 164288, 193280, 205360, 241600, 256700, 328576, 410720, 483200, 513400, 657152, 821440, 966400, 1026800, 1642880, 2053600, 3285760, 4107200, 8214400, 16428800]

約数ペア:

[(1, 16428800), (2, 8214400), (4, 4107200), (5, 3285760), (8, 2053600), (10, 1642880), (16, 1026800), (17, 966400), (20, 821440), (25, 657152), (32, 513400), (34, 483200), (40, 410720), (50, 328576), (64, 256700), (68, 241600), (80, 205360), (85, 193280), (100, 164288), (128, 128350), (136, 120800), (151, 108800), (160, 102680), (170, 96640), (200, 82144), (256, 64175), (272, 60400), (302, 54400), (320, 51340), (340, 48320), (400, 41072), (425, 38656), (544, 30200), (604, 27200), (640, 25670), (680, 24160), (755, 21760), (800, 20536), (850, 19328), (1088, 15100), (1208, 13600), (1280, 12835), (1360, 12080), (1510, 10880), (1600, 10268), (1700, 9664), (2176, 7550), (2416, 6800), (2567, 6400), (2720, 6040), (3020, 5440), (3200, 5134), (3400, 4832), (3775, 4352)]