87081426440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13356047}}^1$

素因数の和:13356221

約数の個数: 32

約数和(自身を含む): 197135268480

約数和(自身を除く): 110053842040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13356047, 26712094, 53424188, 66780235, 106848376, 133560470, 267120940, 534241880, 2177035661, 4354071322, 8708142644, 10885178305, 17416285288, 21770356610, 43540713220, 87081426440]

約数ペア:

[(1, 87081426440), (2, 43540713220), (4, 21770356610), (5, 17416285288), (8, 10885178305), (10, 8708142644), (20, 4354071322), (40, 2177035661), (163, 534241880), (326, 267120940), (652, 133560470), (815, 106848376), (1304, 66780235), (1630, 53424188), (3260, 26712094), (6520, 13356047)]