156947720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{49667}}^1$

素因数の和:49757

約数の個数: 32

約数和(自身を含む): 357609600

約数和(自身を除く): 200661880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 49667, 99334, 198668, 248335, 397336, 496670, 993340, 1986680, 3923693, 7847386, 15694772, 19618465, 31389544, 39236930, 78473860, 156947720]

約数ペア:

[(1, 156947720), (2, 78473860), (4, 39236930), (5, 31389544), (8, 19618465), (10, 15694772), (20, 7847386), (40, 3923693), (79, 1986680), (158, 993340), (316, 496670), (395, 397336), (632, 248335), (790, 198668), (1580, 99334), (3160, 49667)]