140816320

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1469

約数の個数: 56

約数和(自身を含む): 336426048

約数和(自身を除く): 195609728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1021, 1724, 2042, 2155, 3448, 4084, 4310, 5105, 6896, 8168, 8620, 10210, 13792, 16336, 17240, 20420, 27584, 32672, 34480, 40840, 65344, 68960, 81680, 137920, 163360, 326720, 440051, 880102, 1760204, 2200255, 3520408, 4400510, 7040816, 8801020, 14081632, 17602040, 28163264, 35204080, 70408160, 140816320]

約数ペア:

[(1, 140816320), (2, 70408160), (4, 35204080), (5, 28163264), (8, 17602040), (10, 14081632), (16, 8801020), (20, 7040816), (32, 4400510), (40, 3520408), (64, 2200255), (80, 1760204), (160, 880102), (320, 440051), (431, 326720), (862, 163360), (1021, 137920), (1724, 81680), (2042, 68960), (2155, 65344), (3448, 40840), (4084, 34480), (4310, 32672), (5105, 27584), (6896, 20420), (8168, 17240), (8620, 16336), (10210, 13792)]