25716640

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 61418952

約数和(自身を除く): 35702312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1657, 1940, 3104, 3314, 3880, 6628, 7760, 8285, 13256, 15520, 16570, 26512, 33140, 53024, 66280, 132560, 160729, 265120, 321458, 642916, 803645, 1285832, 1607290, 2571664, 3214580, 5143328, 6429160, 12858320, 25716640]

約数ペア:

[(1, 25716640), (2, 12858320), (4, 6429160), (5, 5143328), (8, 3214580), (10, 2571664), (16, 1607290), (20, 1285832), (32, 803645), (40, 642916), (80, 321458), (97, 265120), (160, 160729), (194, 132560), (388, 66280), (485, 53024), (776, 33140), (970, 26512), (1552, 16570), (1657, 15520), (1940, 13256), (3104, 8285), (3314, 7760), (3880, 6628)]