25189180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 54706176

約数和(自身を除く): 29516996

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 127, 188, 211, 235, 254, 422, 470, 508, 635, 844, 940, 1055, 1270, 2110, 2540, 4220, 5969, 9917, 11938, 19834, 23876, 26797, 29845, 39668, 49585, 53594, 59690, 99170, 107188, 119380, 133985, 198340, 267970, 535940, 1259459, 2518918, 5037836, 6297295, 12594590, 25189180]

約数ペア:

[(1, 25189180), (2, 12594590), (4, 6297295), (5, 5037836), (10, 2518918), (20, 1259459), (47, 535940), (94, 267970), (127, 198340), (188, 133985), (211, 119380), (235, 107188), (254, 99170), (422, 59690), (470, 53594), (508, 49585), (635, 39668), (844, 29845), (940, 26797), (1055, 23876), (1270, 19834), (2110, 11938), (2540, 9917), (4220, 5969)]