55857920

素因数分解:

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

素因数の和:206

約数の個数: 108

約数和(自身を含む): 143071824

約数和(自身を除く): 87213904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 151, 160, 170, 256, 272, 289, 302, 320, 340, 544, 578, 604, 640, 680, 755, 1088, 1156, 1208, 1280, 1360, 1445, 1510, 2176, 2312, 2416, 2567, 2720, 2890, 3020, 4352, 4624, 4832, 5134, 5440, 5780, 6040, 9248, 9664, 10268, 10880, 11560, 12080, 12835, 18496, 19328, 20536, 21760, 23120, 24160, 25670, 36992, 38656, 41072, 43639, 46240, 48320, 51340, 73984, 82144, 87278, 92480, 96640, 102680, 164288, 174556, 184960, 193280, 205360, 218195, 328576, 349112, 369920, 410720, 436390, 657152, 698224, 821440, 872780, 1396448, 1642880, 1745560, 2792896, 3285760, 3491120, 5585792, 6982240, 11171584, 13964480, 27928960, 55857920]

約数ペア:

[(1, 55857920), (2, 27928960), (4, 13964480), (5, 11171584), (8, 6982240), (10, 5585792), (16, 3491120), (17, 3285760), (20, 2792896), (32, 1745560), (34, 1642880), (40, 1396448), (64, 872780), (68, 821440), (80, 698224), (85, 657152), (128, 436390), (136, 410720), (151, 369920), (160, 349112), (170, 328576), (256, 218195), (272, 205360), (289, 193280), (302, 184960), (320, 174556), (340, 164288), (544, 102680), (578, 96640), (604, 92480), (640, 87278), (680, 82144), (755, 73984), (1088, 51340), (1156, 48320), (1208, 46240), (1280, 43639), (1360, 41072), (1445, 38656), (1510, 36992), (2176, 25670), (2312, 24160), (2416, 23120), (2567, 21760), (2720, 20536), (2890, 19328), (3020, 18496), (4352, 12835), (4624, 12080), (4832, 11560), (5134, 10880), (5440, 10268), (5780, 9664), (6040, 9248)]