25815580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1901}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 62629056

約数和(自身を除く): 36813476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1901, 1940, 2716, 3395, 3802, 6790, 7604, 9505, 13307, 13580, 19010, 26614, 38020, 53228, 66535, 133070, 184397, 266140, 368794, 737588, 921985, 1290779, 1843970, 2581558, 3687940, 5163116, 6453895, 12907790, 25815580]

約数ペア:

[(1, 25815580), (2, 12907790), (4, 6453895), (5, 5163116), (7, 3687940), (10, 2581558), (14, 1843970), (20, 1290779), (28, 921985), (35, 737588), (70, 368794), (97, 266140), (140, 184397), (194, 133070), (388, 66535), (485, 53228), (679, 38020), (970, 26614), (1358, 19010), (1901, 13580), (1940, 13307), (2716, 9505), (3395, 7604), (3802, 6790)]