127061720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28111}}^1$

素因数の和:28235

約数の個数: 32

約数和(自身を含む): 288429120

約数和(自身を除く): 161367400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 28111, 56222, 112444, 140555, 224888, 281110, 562220, 1124440, 3176543, 6353086, 12706172, 15882715, 25412344, 31765430, 63530860, 127061720]

約数ペア:

[(1, 127061720), (2, 63530860), (4, 31765430), (5, 25412344), (8, 15882715), (10, 12706172), (20, 6353086), (40, 3176543), (113, 1124440), (226, 562220), (452, 281110), (565, 224888), (904, 140555), (1130, 112444), (2260, 56222), (4520, 28111)]