39953360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3181}}^1$

素因数の和:3351

約数の個数: 40

約数和(自身を含む): 93512616

約数和(自身を除く): 53559256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 3181, 6280, 6362, 12560, 12724, 15905, 25448, 31810, 50896, 63620, 127240, 254480, 499417, 998834, 1997668, 2497085, 3995336, 4994170, 7990672, 9988340, 19976680, 39953360]

約数ペア:

[(1, 39953360), (2, 19976680), (4, 9988340), (5, 7990672), (8, 4994170), (10, 3995336), (16, 2497085), (20, 1997668), (40, 998834), (80, 499417), (157, 254480), (314, 127240), (628, 63620), (785, 50896), (1256, 31810), (1570, 25448), (2512, 15905), (3140, 12724), (3181, 12560), (6280, 6362)]