64081900

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{2659}}^1$

素因数の和:2914

約数の個数: 36

約数和(自身を含む): 139687240

約数和(自身を除く): 75605340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2410, 2659, 4820, 5318, 6025, 10636, 12050, 13295, 24100, 26590, 53180, 66475, 132950, 265900, 640819, 1281638, 2563276, 3204095, 6408190, 12816380, 16020475, 32040950, 64081900]

約数ペア:

[(1, 64081900), (2, 32040950), (4, 16020475), (5, 12816380), (10, 6408190), (20, 3204095), (25, 2563276), (50, 1281638), (100, 640819), (241, 265900), (482, 132950), (964, 66475), (1205, 53180), (2410, 26590), (2659, 24100), (4820, 13295), (5318, 12050), (6025, 10636)]