40958320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39383}}^1$

素因数の和:39409

約数の個数: 40

約数和(自身を含む): 102555936

約数和(自身を除く): 61597616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 39383, 78766, 157532, 196915, 315064, 393830, 511979, 630128, 787660, 1023958, 1575320, 2047916, 2559895, 3150640, 4095832, 5119790, 8191664, 10239580, 20479160, 40958320]

約数ペア:

[(1, 40958320), (2, 20479160), (4, 10239580), (5, 8191664), (8, 5119790), (10, 4095832), (13, 3150640), (16, 2559895), (20, 2047916), (26, 1575320), (40, 1023958), (52, 787660), (65, 630128), (80, 511979), (104, 393830), (130, 315064), (208, 196915), (260, 157532), (520, 78766), (1040, 39383)]