54397840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13877}}^1$

素因数の和:13904

約数の個数: 60

約数和(自身を含む): 147134556

約数和(自身を除く): 92736716

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13877, 27754, 55508, 69385, 97139, 111016, 138770, 194278, 222032, 277540, 388556, 485695, 555080, 679973, 777112, 971390, 1110160, 1359946, 1554224, 1942780, 2719892, 3399865, 3885560, 5439784, 6799730, 7771120, 10879568, 13599460, 27198920, 54397840]

約数ペア:

[(1, 54397840), (2, 27198920), (4, 13599460), (5, 10879568), (7, 7771120), (8, 6799730), (10, 5439784), (14, 3885560), (16, 3399865), (20, 2719892), (28, 1942780), (35, 1554224), (40, 1359946), (49, 1110160), (56, 971390), (70, 777112), (80, 679973), (98, 555080), (112, 485695), (140, 388556), (196, 277540), (245, 222032), (280, 194278), (392, 138770), (490, 111016), (560, 97139), (784, 69385), (980, 55508), (1960, 27754), (3920, 13877)]