71532680

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1601}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 161193240

約数和(自身を除く): 89660560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 1601, 2234, 3202, 4468, 5585, 6404, 8005, 8936, 11170, 12808, 16010, 22340, 32020, 44680, 64040, 1788317, 3576634, 7153268, 8941585, 14306536, 17883170, 35766340, 71532680]

約数ペア:

[(1, 71532680), (2, 35766340), (4, 17883170), (5, 14306536), (8, 8941585), (10, 7153268), (20, 3576634), (40, 1788317), (1117, 64040), (1601, 44680), (2234, 32020), (3202, 22340), (4468, 16010), (5585, 12808), (6404, 11170), (8005, 8936)]