79906720

素因数分解:

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

素因数の和:3353

約数の個数: 48

約数和(自身を含む): 190041768

約数和(自身を除く): 110135048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 3181, 5024, 6280, 6362, 12560, 12724, 15905, 25120, 25448, 31810, 50896, 63620, 101792, 127240, 254480, 499417, 508960, 998834, 1997668, 2497085, 3995336, 4994170, 7990672, 9988340, 15981344, 19976680, 39953360, 79906720]

約数ペア:

[(1, 79906720), (2, 39953360), (4, 19976680), (5, 15981344), (8, 9988340), (10, 7990672), (16, 4994170), (20, 3995336), (32, 2497085), (40, 1997668), (80, 998834), (157, 508960), (160, 499417), (314, 254480), (628, 127240), (785, 101792), (1256, 63620), (1570, 50896), (2512, 31810), (3140, 25448), (3181, 25120), (5024, 15905), (6280, 12724), (6362, 12560)]