25402400

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 62785044

約数和(自身を除く): 37382644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 281, 400, 452, 562, 565, 800, 904, 1124, 1130, 1405, 1808, 2248, 2260, 2810, 2825, 3616, 4496, 4520, 5620, 5650, 7025, 8992, 9040, 11240, 11300, 14050, 18080, 22480, 22600, 28100, 31753, 44960, 45200, 56200, 63506, 90400, 112400, 127012, 158765, 224800, 254024, 317530, 508048, 635060, 793825, 1016096, 1270120, 1587650, 2540240, 3175300, 5080480, 6350600, 12701200, 25402400]

約数ペア:

[(1, 25402400), (2, 12701200), (4, 6350600), (5, 5080480), (8, 3175300), (10, 2540240), (16, 1587650), (20, 1270120), (25, 1016096), (32, 793825), (40, 635060), (50, 508048), (80, 317530), (100, 254024), (113, 224800), (160, 158765), (200, 127012), (226, 112400), (281, 90400), (400, 63506), (452, 56200), (562, 45200), (565, 44960), (800, 31753), (904, 28100), (1124, 22600), (1130, 22480), (1405, 18080), (1808, 14050), (2248, 11300), (2260, 11240), (2810, 9040), (2825, 8992), (3616, 7025), (4496, 5650), (4520, 5620)]