2544321400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{161033}}^1$

素因数の和:161128

約数の個数: 48

約数和(自身を含む): 5990464800

約数和(自身を除く): 3446143400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 161033, 322066, 644132, 805165, 1288264, 1610330, 3220660, 4025825, 6441320, 8051650, 12721607, 16103300, 25443214, 32206600, 50886428, 63608035, 101772856, 127216070, 254432140, 318040175, 508864280, 636080350, 1272160700, 2544321400]

約数ペア:

[(1, 2544321400), (2, 1272160700), (4, 636080350), (5, 508864280), (8, 318040175), (10, 254432140), (20, 127216070), (25, 101772856), (40, 63608035), (50, 50886428), (79, 32206600), (100, 25443214), (158, 16103300), (200, 12721607), (316, 8051650), (395, 6441320), (632, 4025825), (790, 3220660), (1580, 1610330), (1975, 1288264), (3160, 805165), (3950, 644132), (7900, 322066), (15800, 161033)]