126415120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121553}}^1$

素因数の和:121579

約数の個数: 40

約数和(自身を含む): 316526616

約数和(自身を除く): 190111496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 121553, 243106, 486212, 607765, 972424, 1215530, 1580189, 1944848, 2431060, 3160378, 4862120, 6320756, 7900945, 9724240, 12641512, 15801890, 25283024, 31603780, 63207560, 126415120]

約数ペア:

[(1, 126415120), (2, 63207560), (4, 31603780), (5, 25283024), (8, 15801890), (10, 12641512), (13, 9724240), (16, 7900945), (20, 6320756), (26, 4862120), (40, 3160378), (52, 2431060), (65, 1944848), (80, 1580189), (104, 1215530), (130, 972424), (208, 607765), (260, 486212), (520, 243106), (1040, 121553)]