79128520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3259}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 178387200

約数和(自身を除く): 99258680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3259, 4856, 6070, 6518, 12140, 13036, 16295, 24280, 26072, 32590, 65180, 130360, 1978213, 3956426, 7912852, 9891065, 15825704, 19782130, 39564260, 79128520]

約数ペア:

[(1, 79128520), (2, 39564260), (4, 19782130), (5, 15825704), (8, 9891065), (10, 7912852), (20, 3956426), (40, 1978213), (607, 130360), (1214, 65180), (2428, 32590), (3035, 26072), (3259, 24280), (4856, 16295), (6070, 13036), (6518, 12140)]