21044526080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132589}}^1$

素因数の和:132645

約数の個数: 88

約数和(自身を含む): 52111052160

約数和(自身を除く): 31066526080

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, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 79360, 132589, 158720, 265178, 530356, 662945, 1060712, 1325890, 2121424, 2651780, 4110259, 4242848, 5303560, 8220518, 8485696, 10607120, 16441036, 16971392, 20551295, 21214240, 32882072, 33942784, 41102590, 42428480, 65764144, 67885568, 82205180, 84856960, 131528288, 135771136, 164410360, 169713920, 263056576, 328820720, 339427840, 526113152, 657641440, 678855680, 1052226304, 1315282880, 2104452608, 2630565760, 4208905216, 5261131520, 10522263040, 21044526080]

約数ペア:

[(1, 21044526080), (2, 10522263040), (4, 5261131520), (5, 4208905216), (8, 2630565760), (10, 2104452608), (16, 1315282880), (20, 1052226304), (31, 678855680), (32, 657641440), (40, 526113152), (62, 339427840), (64, 328820720), (80, 263056576), (124, 169713920), (128, 164410360), (155, 135771136), (160, 131528288), (248, 84856960), (256, 82205180), (310, 67885568), (320, 65764144), (496, 42428480), (512, 41102590), (620, 33942784), (640, 32882072), (992, 21214240), (1024, 20551295), (1240, 16971392), (1280, 16441036), (1984, 10607120), (2480, 8485696), (2560, 8220518), (3968, 5303560), (4960, 4242848), (5120, 4110259), (7936, 2651780), (9920, 2121424), (15872, 1325890), (19840, 1060712), (31744, 662945), (39680, 530356), (79360, 265178), (132589, 158720)]