66100400

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:918

約数の個数: 60

約数和(自身を含む): 159672072

約数和(自身を除く): 93571672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 643, 1028, 1285, 1286, 2056, 2570, 2572, 3215, 4112, 5140, 5144, 6425, 6430, 10280, 10288, 12850, 12860, 16075, 20560, 25700, 25720, 32150, 51400, 51440, 64300, 102800, 128600, 165251, 257200, 330502, 661004, 826255, 1322008, 1652510, 2644016, 3305020, 4131275, 6610040, 8262550, 13220080, 16525100, 33050200, 66100400]

約数ペア:

[(1, 66100400), (2, 33050200), (4, 16525100), (5, 13220080), (8, 8262550), (10, 6610040), (16, 4131275), (20, 3305020), (25, 2644016), (40, 1652510), (50, 1322008), (80, 826255), (100, 661004), (200, 330502), (257, 257200), (400, 165251), (514, 128600), (643, 102800), (1028, 64300), (1285, 51440), (1286, 51400), (2056, 32150), (2570, 25720), (2572, 25700), (3215, 20560), (4112, 16075), (5140, 12860), (5144, 12850), (6425, 10288), (6430, 10280)]