25813970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 60238080

約数和(自身を除く): 34424110

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1493, 1729, 2470, 2986, 3458, 7465, 8645, 10451, 14930, 17290, 19409, 20902, 28367, 38818, 52255, 56734, 97045, 104510, 135863, 141835, 194090, 198569, 271726, 283670, 368771, 397138, 679315, 737542, 992845, 1358630, 1843855, 1985690, 2581397, 3687710, 5162794, 12906985, 25813970]

約数ペア:

[(1, 25813970), (2, 12906985), (5, 5162794), (7, 3687710), (10, 2581397), (13, 1985690), (14, 1843855), (19, 1358630), (26, 992845), (35, 737542), (38, 679315), (65, 397138), (70, 368771), (91, 283670), (95, 271726), (130, 198569), (133, 194090), (182, 141835), (190, 135863), (247, 104510), (266, 97045), (455, 56734), (494, 52255), (665, 38818), (910, 28367), (1235, 20902), (1330, 19409), (1493, 17290), (1729, 14930), (2470, 10451), (2986, 8645), (3458, 7465)]