2519650250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1993}}^1$

素因数の和:2412

約数の個数: 64

約数和(自身を含む): 5095228320

約数和(自身を除く): 2575578070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 389, 650, 778, 1625, 1945, 1993, 3250, 3890, 3986, 5057, 9725, 9965, 10114, 19450, 19930, 25285, 25909, 48625, 49825, 50570, 51818, 97250, 99650, 126425, 129545, 249125, 252850, 259090, 498250, 632125, 647725, 775277, 1264250, 1295450, 1550554, 3238625, 3876385, 6477250, 7752770, 10078601, 19381925, 20157202, 38763850, 50393005, 96909625, 100786010, 193819250, 251965025, 503930050, 1259825125, 2519650250]

約数ペア:

[(1, 2519650250), (2, 1259825125), (5, 503930050), (10, 251965025), (13, 193819250), (25, 100786010), (26, 96909625), (50, 50393005), (65, 38763850), (125, 20157202), (130, 19381925), (250, 10078601), (325, 7752770), (389, 6477250), (650, 3876385), (778, 3238625), (1625, 1550554), (1945, 1295450), (1993, 1264250), (3250, 775277), (3890, 647725), (3986, 632125), (5057, 498250), (9725, 259090), (9965, 252850), (10114, 249125), (19450, 129545), (19930, 126425), (25285, 99650), (25909, 97250), (48625, 51818), (49825, 50570)]