2017608920

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{39499}}^1$

素因数の和:40787

約数の個数: 32

約数和(自身を含む): 4543290000

約数和(自身を除く): 2525681080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 5108, 6385, 10216, 12770, 25540, 39499, 51080, 78998, 157996, 197495, 315992, 394990, 789980, 1579960, 50440223, 100880446, 201760892, 252201115, 403521784, 504402230, 1008804460, 2017608920]

約数ペア:

[(1, 2017608920), (2, 1008804460), (4, 504402230), (5, 403521784), (8, 252201115), (10, 201760892), (20, 100880446), (40, 50440223), (1277, 1579960), (2554, 789980), (5108, 394990), (6385, 315992), (10216, 197495), (12770, 157996), (25540, 78998), (39499, 51080)]