67544440

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4211}}^1$

素因数の和:4623

約数の個数: 32

約数和(自身を含む): 152390160

約数和(自身を除く): 84845720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4211, 8020, 8422, 16040, 16844, 21055, 33688, 42110, 84220, 168440, 1688611, 3377222, 6754444, 8443055, 13508888, 16886110, 33772220, 67544440]

約数ペア:

[(1, 67544440), (2, 33772220), (4, 16886110), (5, 13508888), (8, 8443055), (10, 6754444), (20, 3377222), (40, 1688611), (401, 168440), (802, 84220), (1604, 42110), (2005, 33688), (3208, 21055), (4010, 16844), (4211, 16040), (8020, 8422)]