63355640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6163}}^1$

素因数の和:6431

約数の個数: 32

約数和(自身を含む): 143128080

約数和(自身を除く): 79772440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 6163, 10280, 12326, 24652, 30815, 49304, 61630, 123260, 246520, 1583891, 3167782, 6335564, 7919455, 12671128, 15838910, 31677820, 63355640]

約数ペア:

[(1, 63355640), (2, 31677820), (4, 15838910), (5, 12671128), (8, 7919455), (10, 6335564), (20, 3167782), (40, 1583891), (257, 246520), (514, 123260), (1028, 61630), (1285, 49304), (2056, 30815), (2570, 24652), (5140, 12326), (6163, 10280)]