5451400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 12850740

約数和(自身を除く): 7399340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 281, 388, 485, 562, 776, 970, 1124, 1405, 1940, 2248, 2425, 2810, 3880, 4850, 5620, 7025, 9700, 11240, 14050, 19400, 27257, 28100, 54514, 56200, 109028, 136285, 218056, 272570, 545140, 681425, 1090280, 1362850, 2725700, 5451400]

約数ペア:

[(1, 5451400), (2, 2725700), (4, 1362850), (5, 1090280), (8, 681425), (10, 545140), (20, 272570), (25, 218056), (40, 136285), (50, 109028), (97, 56200), (100, 54514), (194, 28100), (200, 27257), (281, 19400), (388, 14050), (485, 11240), (562, 9700), (776, 7025), (970, 5620), (1124, 4850), (1405, 3880), (1940, 2810), (2248, 2425)]