157260640

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1931}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 372450960

約数和(自身を除く): 215190320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 1018, 1931, 2036, 2545, 3862, 4072, 5090, 7724, 8144, 9655, 10180, 15448, 16288, 19310, 20360, 30896, 38620, 40720, 61792, 77240, 81440, 154480, 308960, 982879, 1965758, 3931516, 4914395, 7863032, 9828790, 15726064, 19657580, 31452128, 39315160, 78630320, 157260640]

約数ペア:

[(1, 157260640), (2, 78630320), (4, 39315160), (5, 31452128), (8, 19657580), (10, 15726064), (16, 9828790), (20, 7863032), (32, 4914395), (40, 3931516), (80, 1965758), (160, 982879), (509, 308960), (1018, 154480), (1931, 81440), (2036, 77240), (2545, 61792), (3862, 40720), (4072, 38620), (5090, 30896), (7724, 20360), (8144, 19310), (9655, 16288), (10180, 15448)]