8619400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 20355840

約数和(自身を除く): 11736440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 607, 710, 1214, 1420, 1775, 2428, 2840, 3035, 3550, 4856, 6070, 7100, 12140, 14200, 15175, 24280, 30350, 43097, 60700, 86194, 121400, 172388, 215485, 344776, 430970, 861940, 1077425, 1723880, 2154850, 4309700, 8619400]

約数ペア:

[(1, 8619400), (2, 4309700), (4, 2154850), (5, 1723880), (8, 1077425), (10, 861940), (20, 430970), (25, 344776), (40, 215485), (50, 172388), (71, 121400), (100, 86194), (142, 60700), (200, 43097), (284, 30350), (355, 24280), (568, 15175), (607, 14200), (710, 12140), (1214, 7100), (1420, 6070), (1775, 4856), (2428, 3550), (2840, 3035)]