57251720

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2939}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 129124800

約数和(自身を除く): 71873080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 2939, 3896, 4870, 5878, 9740, 11756, 14695, 19480, 23512, 29390, 58780, 117560, 1431293, 2862586, 5725172, 7156465, 11450344, 14312930, 28625860, 57251720]

約数ペア:

[(1, 57251720), (2, 28625860), (4, 14312930), (5, 11450344), (8, 7156465), (10, 5725172), (20, 2862586), (40, 1431293), (487, 117560), (974, 58780), (1948, 29390), (2435, 23512), (2939, 19480), (3896, 14695), (4870, 11756), (5878, 9740)]