25173440

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:925

約数の個数: 56

約数和(自身を含む): 60636912

約数和(自身を除く): 35463472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 811, 970, 1552, 1622, 1940, 3104, 3244, 3880, 4055, 6208, 6488, 7760, 8110, 12976, 15520, 16220, 25952, 31040, 32440, 51904, 64880, 78667, 129760, 157334, 259520, 314668, 393335, 629336, 786670, 1258672, 1573340, 2517344, 3146680, 5034688, 6293360, 12586720, 25173440]

約数ペア:

[(1, 25173440), (2, 12586720), (4, 6293360), (5, 5034688), (8, 3146680), (10, 2517344), (16, 1573340), (20, 1258672), (32, 786670), (40, 629336), (64, 393335), (80, 314668), (97, 259520), (160, 157334), (194, 129760), (320, 78667), (388, 64880), (485, 51904), (776, 32440), (811, 31040), (970, 25952), (1552, 16220), (1622, 15520), (1940, 12976), (3104, 8110), (3244, 7760), (3880, 6488), (4055, 6208)]