8311280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4517}}^1$

素因数の和:4553

約数の個数: 40

約数和(自身を含む): 20168352

約数和(自身を除く): 11857072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 4517, 9034, 18068, 22585, 36136, 45170, 72272, 90340, 103891, 180680, 207782, 361360, 415564, 519455, 831128, 1038910, 1662256, 2077820, 4155640, 8311280]

約数ペア:

[(1, 8311280), (2, 4155640), (4, 2077820), (5, 1662256), (8, 1038910), (10, 831128), (16, 519455), (20, 415564), (23, 361360), (40, 207782), (46, 180680), (80, 103891), (92, 90340), (115, 72272), (184, 45170), (230, 36136), (368, 22585), (460, 18068), (920, 9034), (1840, 4517)]