38471680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 105601860

約数和(自身を除く): 67130180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 289, 320, 340, 416, 442, 512, 520, 544, 578, 640, 680, 832, 884, 1024, 1040, 1088, 1105, 1156, 1280, 1360, 1445, 1664, 1768, 2048, 2080, 2176, 2210, 2312, 2560, 2720, 2890, 3328, 3536, 3757, 4160, 4352, 4420, 4624, 5120, 5440, 5780, 6656, 7072, 7514, 8320, 8704, 8840, 9248, 10240, 10880, 11560, 13312, 14144, 15028, 16640, 17408, 17680, 18496, 18785, 21760, 23120, 26624, 28288, 30056, 33280, 34816, 35360, 36992, 37570, 43520, 46240, 56576, 60112, 66560, 70720, 73984, 75140, 87040, 92480, 113152, 120224, 133120, 141440, 147968, 150280, 174080, 184960, 226304, 240448, 282880, 295936, 300560, 369920, 452608, 480896, 565760, 591872, 601120, 739840, 961792, 1131520, 1202240, 1479680, 1923584, 2263040, 2404480, 2959360, 3847168, 4808960, 7694336, 9617920, 19235840, 38471680]

約数ペア:

[(1, 38471680), (2, 19235840), (4, 9617920), (5, 7694336), (8, 4808960), (10, 3847168), (13, 2959360), (16, 2404480), (17, 2263040), (20, 1923584), (26, 1479680), (32, 1202240), (34, 1131520), (40, 961792), (52, 739840), (64, 601120), (65, 591872), (68, 565760), (80, 480896), (85, 452608), (104, 369920), (128, 300560), (130, 295936), (136, 282880), (160, 240448), (170, 226304), (208, 184960), (221, 174080), (256, 150280), (260, 147968), (272, 141440), (289, 133120), (320, 120224), (340, 113152), (416, 92480), (442, 87040), (512, 75140), (520, 73984), (544, 70720), (578, 66560), (640, 60112), (680, 56576), (832, 46240), (884, 43520), (1024, 37570), (1040, 36992), (1088, 35360), (1105, 34816), (1156, 33280), (1280, 30056), (1360, 28288), (1445, 26624), (1664, 23120), (1768, 21760), (2048, 18785), (2080, 18496), (2176, 17680), (2210, 17408), (2312, 16640), (2560, 15028), (2720, 14144), (2890, 13312), (3328, 11560), (3536, 10880), (3757, 10240), (4160, 9248), (4352, 8840), (4420, 8704), (4624, 8320), (5120, 7514), (5440, 7072), (5780, 6656)]