65693240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20789}}^1$

素因数の和:20879

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 83994760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20789, 41578, 83156, 103945, 166312, 207890, 415780, 831560, 1642331, 3284662, 6569324, 8211655, 13138648, 16423310, 32846620, 65693240]

約数ペア:

[(1, 65693240), (2, 32846620), (4, 16423310), (5, 13138648), (8, 8211655), (10, 6569324), (20, 3284662), (40, 1642331), (79, 831560), (158, 415780), (316, 207890), (395, 166312), (632, 103945), (790, 83156), (1580, 41578), (3160, 20789)]