2040504320

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 112

約数和(自身を含む): 5058021888

約数和(自身を除く): 3017517568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1607, 1984, 2048, 2480, 2560, 3214, 3968, 4096, 4960, 5120, 6428, 7936, 8035, 8192, 9920, 10240, 12856, 15872, 16070, 19840, 20480, 25712, 31744, 32140, 39680, 40960, 49817, 51424, 63488, 64280, 79360, 99634, 102848, 126976, 128560, 158720, 199268, 205696, 249085, 253952, 257120, 317440, 398536, 411392, 498170, 514240, 634880, 797072, 822784, 996340, 1028480, 1269760, 1594144, 1645568, 1992680, 2056960, 3188288, 3291136, 3985360, 4113920, 6376576, 6582272, 7970720, 8227840, 12753152, 13164544, 15941440, 16455680, 25506304, 31882880, 32911360, 51012608, 63765760, 65822720, 102025216, 127531520, 204050432, 255063040, 408100864, 510126080, 1020252160, 2040504320]

約数ペア:

[(1, 2040504320), (2, 1020252160), (4, 510126080), (5, 408100864), (8, 255063040), (10, 204050432), (16, 127531520), (20, 102025216), (31, 65822720), (32, 63765760), (40, 51012608), (62, 32911360), (64, 31882880), (80, 25506304), (124, 16455680), (128, 15941440), (155, 13164544), (160, 12753152), (248, 8227840), (256, 7970720), (310, 6582272), (320, 6376576), (496, 4113920), (512, 3985360), (620, 3291136), (640, 3188288), (992, 2056960), (1024, 1992680), (1240, 1645568), (1280, 1594144), (1607, 1269760), (1984, 1028480), (2048, 996340), (2480, 822784), (2560, 797072), (3214, 634880), (3968, 514240), (4096, 498170), (4960, 411392), (5120, 398536), (6428, 317440), (7936, 257120), (8035, 253952), (8192, 249085), (9920, 205696), (10240, 199268), (12856, 158720), (15872, 128560), (16070, 126976), (19840, 102848), (20480, 99634), (25712, 79360), (31744, 64280), (32140, 63488), (39680, 51424), (40960, 49817)]