66970040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23581}}^1$

素因数の和:23663

約数の個数: 32

約数和(自身を含む): 152811360

約数和(自身を除く): 85841320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23581, 47162, 94324, 117905, 188648, 235810, 471620, 943240, 1674251, 3348502, 6697004, 8371255, 13394008, 16742510, 33485020, 66970040]

約数ペア:

[(1, 66970040), (2, 33485020), (4, 16742510), (5, 13394008), (8, 8371255), (10, 6697004), (20, 3348502), (40, 1674251), (71, 943240), (142, 471620), (284, 235810), (355, 188648), (568, 117905), (710, 94324), (1420, 47162), (2840, 23581)]