2010020920

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{158519}}^1$

素因数の和:158847

約数の個数: 32

約数和(自身を含む): 4536842400

約数和(自身を除く): 2526821480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 158519, 317038, 634076, 792595, 1268152, 1585190, 3170380, 6340760, 50250523, 100501046, 201002092, 251252615, 402004184, 502505230, 1005010460, 2010020920]

約数ペア:

[(1, 2010020920), (2, 1005010460), (4, 502505230), (5, 402004184), (8, 251252615), (10, 201002092), (20, 100501046), (40, 50250523), (317, 6340760), (634, 3170380), (1268, 1585190), (1585, 1268152), (2536, 792595), (3170, 634076), (6340, 317038), (12680, 158519)]