856700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 2005080

約数和(自身を除く): 1148380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 659, 1300, 1318, 2636, 3295, 6590, 8567, 13180, 16475, 17134, 32950, 34268, 42835, 65900, 85670, 171340, 214175, 428350, 856700]

約数ペア:

[(1, 856700), (2, 428350), (4, 214175), (5, 171340), (10, 85670), (13, 65900), (20, 42835), (25, 34268), (26, 32950), (50, 17134), (52, 16475), (65, 13180), (100, 8567), (130, 6590), (260, 3295), (325, 2636), (650, 1318), (659, 1300)]