1640178903560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{3394691}}^1$

素因数の和:3395006

約数の個数: 64

約数和(自身を含む): 3783587915520

約数和(自身を除く): 2143409011960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 257, 376, 470, 514, 940, 1028, 1285, 1880, 2056, 2570, 5140, 10280, 12079, 24158, 48316, 60395, 96632, 120790, 241580, 483160, 3394691, 6789382, 13578764, 16973455, 27157528, 33946910, 67893820, 135787640, 159550477, 319100954, 638201908, 797752385, 872435587, 1276403816, 1595504770, 1744871174, 3191009540, 3489742348, 4362177935, 6382019080, 6979484696, 8724355870, 17448711740, 34897423480, 41004472589, 82008945178, 164017890356, 205022362945, 328035780712, 410044725890, 820089451780, 1640178903560]

約数ペア:

[(1, 1640178903560), (2, 820089451780), (4, 410044725890), (5, 328035780712), (8, 205022362945), (10, 164017890356), (20, 82008945178), (40, 41004472589), (47, 34897423480), (94, 17448711740), (188, 8724355870), (235, 6979484696), (257, 6382019080), (376, 4362177935), (470, 3489742348), (514, 3191009540), (940, 1744871174), (1028, 1595504770), (1285, 1276403816), (1880, 872435587), (2056, 797752385), (2570, 638201908), (5140, 319100954), (10280, 159550477), (12079, 135787640), (24158, 67893820), (48316, 33946910), (60395, 27157528), (96632, 16973455), (120790, 13578764), (241580, 6789382), (483160, 3394691)]