68591440

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{971}}^1$

素因数の和:1867

約数の個数: 40

約数和(自身を含む): 159820128

約数和(自身を除く): 91228688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 971, 1766, 1942, 3532, 3884, 4415, 4855, 7064, 7768, 8830, 9710, 14128, 15536, 17660, 19420, 35320, 38840, 70640, 77680, 857393, 1714786, 3429572, 4286965, 6859144, 8573930, 13718288, 17147860, 34295720, 68591440]

約数ペア:

[(1, 68591440), (2, 34295720), (4, 17147860), (5, 13718288), (8, 8573930), (10, 6859144), (16, 4286965), (20, 3429572), (40, 1714786), (80, 857393), (883, 77680), (971, 70640), (1766, 38840), (1942, 35320), (3532, 19420), (3884, 17660), (4415, 15536), (4855, 14128), (7064, 9710), (7768, 8830)]