139634480

素因数分解:

$2^4\times 5^1\times {\mathrm{1745431}}^1$

素因数の和:1745444

約数の個数: 20

約数和(自身を含む): 324650352

約数和(自身を除く): 185015872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1745431, 3490862, 6981724, 8727155, 13963448, 17454310, 27926896, 34908620, 69817240, 139634480]

約数ペア:

[(1, 139634480), (2, 69817240), (4, 34908620), (5, 27926896), (8, 17454310), (10, 13963448), (16, 8727155), (20, 6981724), (40, 3490862), (80, 1745431)]