25144340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 57508752

約数和(自身を除く): 32364412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 997, 1261, 1940, 1994, 2522, 3988, 4985, 5044, 6305, 9970, 12610, 12961, 19940, 25220, 25922, 51844, 64805, 96709, 129610, 193418, 259220, 386836, 483545, 967090, 1257217, 1934180, 2514434, 5028868, 6286085, 12572170, 25144340]

約数ペア:

[(1, 25144340), (2, 12572170), (4, 6286085), (5, 5028868), (10, 2514434), (13, 1934180), (20, 1257217), (26, 967090), (52, 483545), (65, 386836), (97, 259220), (130, 193418), (194, 129610), (260, 96709), (388, 64805), (485, 51844), (970, 25922), (997, 25220), (1261, 19940), (1940, 12961), (1994, 12610), (2522, 9970), (3988, 6305), (4985, 5044)]