656041456040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{309453517}}^1$

素因数の和:309453581

約数の個数: 32

約数和(自身を含む): 1503944097480

約数和(自身を除く): 847902641440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 309453517, 618907034, 1237814068, 1547267585, 2475628136, 3094535170, 6189070340, 12378140680, 16401036401, 32802072802, 65604145604, 82005182005, 131208291208, 164010364010, 328020728020, 656041456040]

約数ペア:

[(1, 656041456040), (2, 328020728020), (4, 164010364010), (5, 131208291208), (8, 82005182005), (10, 65604145604), (20, 32802072802), (40, 16401036401), (53, 12378140680), (106, 6189070340), (212, 3094535170), (265, 2475628136), (424, 1547267585), (530, 1237814068), (1060, 618907034), (2120, 309453517)]