66264250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 32

約数和(自身を含む): 133595280

約数和(自身を除く): 67331030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20389, 40778, 101945, 203890, 265057, 509725, 530114, 1019450, 1325285, 2548625, 2650570, 5097250, 6626425, 13252850, 33132125, 66264250]

約数ペア:

[(1, 66264250), (2, 33132125), (5, 13252850), (10, 6626425), (13, 5097250), (25, 2650570), (26, 2548625), (50, 1325285), (65, 1019450), (125, 530114), (130, 509725), (250, 265057), (325, 203890), (650, 101945), (1625, 40778), (3250, 20389)]