267658640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47123}}^1$

素因数の和:47207

約数の個数: 40

約数和(自身を含む): 631084608

約数和(自身を除く): 363425968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 47123, 94246, 188492, 235615, 376984, 471230, 753968, 942460, 1884920, 3345733, 3769840, 6691466, 13382932, 16728665, 26765864, 33457330, 53531728, 66914660, 133829320, 267658640]

約数ペア:

[(1, 267658640), (2, 133829320), (4, 66914660), (5, 53531728), (8, 33457330), (10, 26765864), (16, 16728665), (20, 13382932), (40, 6691466), (71, 3769840), (80, 3345733), (142, 1884920), (284, 942460), (355, 753968), (568, 471230), (710, 376984), (1136, 235615), (1420, 188492), (2840, 94246), (5680, 47123)]