82801700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{8039}}^1$

素因数の和:8156

約数の個数: 36

約数和(自身を含む): 181446720

約数和(自身を除く): 98645020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 8039, 10300, 16078, 32156, 40195, 80390, 160780, 200975, 401950, 803900, 828017, 1656034, 3312068, 4140085, 8280170, 16560340, 20700425, 41400850, 82801700]

約数ペア:

[(1, 82801700), (2, 41400850), (4, 20700425), (5, 16560340), (10, 8280170), (20, 4140085), (25, 3312068), (50, 1656034), (100, 828017), (103, 803900), (206, 401950), (412, 200975), (515, 160780), (1030, 80390), (2060, 40195), (2575, 32156), (5150, 16078), (8039, 10300)]