55118080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 141189300

約数和(自身を除く): 86071220

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 149, 160, 170, 256, 272, 289, 298, 320, 340, 544, 578, 596, 640, 680, 745, 1088, 1156, 1192, 1280, 1360, 1445, 1490, 2176, 2312, 2384, 2533, 2720, 2890, 2980, 4352, 4624, 4768, 5066, 5440, 5780, 5960, 9248, 9536, 10132, 10880, 11560, 11920, 12665, 18496, 19072, 20264, 21760, 23120, 23840, 25330, 36992, 38144, 40528, 43061, 46240, 47680, 50660, 73984, 81056, 86122, 92480, 95360, 101320, 162112, 172244, 184960, 190720, 202640, 215305, 324224, 344488, 369920, 405280, 430610, 648448, 688976, 810560, 861220, 1377952, 1621120, 1722440, 2755904, 3242240, 3444880, 5511808, 6889760, 11023616, 13779520, 27559040, 55118080]

約数ペア:

[(1, 55118080), (2, 27559040), (4, 13779520), (5, 11023616), (8, 6889760), (10, 5511808), (16, 3444880), (17, 3242240), (20, 2755904), (32, 1722440), (34, 1621120), (40, 1377952), (64, 861220), (68, 810560), (80, 688976), (85, 648448), (128, 430610), (136, 405280), (149, 369920), (160, 344488), (170, 324224), (256, 215305), (272, 202640), (289, 190720), (298, 184960), (320, 172244), (340, 162112), (544, 101320), (578, 95360), (596, 92480), (640, 86122), (680, 81056), (745, 73984), (1088, 50660), (1156, 47680), (1192, 46240), (1280, 43061), (1360, 40528), (1445, 38144), (1490, 36992), (2176, 25330), (2312, 23840), (2384, 23120), (2533, 21760), (2720, 20264), (2890, 19072), (2980, 18496), (4352, 12665), (4624, 11920), (4768, 11560), (5066, 10880), (5440, 10132), (5780, 9536), (5960, 9248)]