87956480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 88

約数和(自身を含む): 216654480

約数和(自身を除く): 128698000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 419, 512, 640, 656, 820, 838, 1024, 1280, 1312, 1640, 1676, 2095, 2560, 2624, 3280, 3352, 4190, 5120, 5248, 6560, 6704, 8380, 10496, 13120, 13408, 16760, 17179, 20992, 26240, 26816, 33520, 34358, 41984, 52480, 53632, 67040, 68716, 85895, 104960, 107264, 134080, 137432, 171790, 209920, 214528, 268160, 274864, 343580, 429056, 536320, 549728, 687160, 1072640, 1099456, 1374320, 2145280, 2198912, 2748640, 4397824, 5497280, 8795648, 10994560, 17591296, 21989120, 43978240, 87956480]

約数ペア:

[(1, 87956480), (2, 43978240), (4, 21989120), (5, 17591296), (8, 10994560), (10, 8795648), (16, 5497280), (20, 4397824), (32, 2748640), (40, 2198912), (41, 2145280), (64, 1374320), (80, 1099456), (82, 1072640), (128, 687160), (160, 549728), (164, 536320), (205, 429056), (256, 343580), (320, 274864), (328, 268160), (410, 214528), (419, 209920), (512, 171790), (640, 137432), (656, 134080), (820, 107264), (838, 104960), (1024, 85895), (1280, 68716), (1312, 67040), (1640, 53632), (1676, 52480), (2095, 41984), (2560, 34358), (2624, 33520), (3280, 26816), (3352, 26240), (4190, 20992), (5120, 17179), (5248, 16760), (6560, 13408), (6704, 13120), (8380, 10496)]