127746320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122833}}^1$

素因数の和:122859

約数の個数: 40

約数和(自身を含む): 319859736

約数和(自身を除く): 192113416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 122833, 245666, 491332, 614165, 982664, 1228330, 1596829, 1965328, 2456660, 3193658, 4913320, 6387316, 7984145, 9826640, 12774632, 15968290, 25549264, 31936580, 63873160, 127746320]

約数ペア:

[(1, 127746320), (2, 63873160), (4, 31936580), (5, 25549264), (8, 15968290), (10, 12774632), (13, 9826640), (16, 7984145), (20, 6387316), (26, 4913320), (40, 3193658), (52, 2456660), (65, 1965328), (80, 1596829), (104, 1228330), (130, 982664), (208, 614165), (260, 491332), (520, 245666), (1040, 122833)]