79354400

素因数分解:

$2^5\times 5^2\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:654

約数の個数: 72

約数和(自身を含む): 194964084

約数和(自身を除く): 115609684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 281, 353, 400, 562, 706, 800, 1124, 1405, 1412, 1765, 2248, 2810, 2824, 3530, 4496, 5620, 5648, 7025, 7060, 8825, 8992, 11240, 11296, 14050, 14120, 17650, 22480, 28100, 28240, 35300, 44960, 56200, 56480, 70600, 99193, 112400, 141200, 198386, 224800, 282400, 396772, 495965, 793544, 991930, 1587088, 1983860, 2479825, 3174176, 3967720, 4959650, 7935440, 9919300, 15870880, 19838600, 39677200, 79354400]

約数ペア:

[(1, 79354400), (2, 39677200), (4, 19838600), (5, 15870880), (8, 9919300), (10, 7935440), (16, 4959650), (20, 3967720), (25, 3174176), (32, 2479825), (40, 1983860), (50, 1587088), (80, 991930), (100, 793544), (160, 495965), (200, 396772), (281, 282400), (353, 224800), (400, 198386), (562, 141200), (706, 112400), (800, 99193), (1124, 70600), (1405, 56480), (1412, 56200), (1765, 44960), (2248, 35300), (2810, 28240), (2824, 28100), (3530, 22480), (4496, 17650), (5620, 14120), (5648, 14050), (7025, 11296), (7060, 11240), (8825, 8992)]