56607560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15901}}^1$

素因数の和:16001

約数の個数: 32

約数和(自身を含む): 128806200

約数和(自身を除く): 72198640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15901, 31802, 63604, 79505, 127208, 159010, 318020, 636040, 1415189, 2830378, 5660756, 7075945, 11321512, 14151890, 28303780, 56607560]

約数ペア:

[(1, 56607560), (2, 28303780), (4, 14151890), (5, 11321512), (8, 7075945), (10, 5660756), (20, 2830378), (40, 1415189), (89, 636040), (178, 318020), (356, 159010), (445, 127208), (712, 79505), (890, 63604), (1780, 31802), (3560, 15901)]