31228960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27883}}^1$

素因数の和:27905

約数の個数: 48

約数和(自身を含む): 84321216

約数和(自身を除く): 53092256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27883, 55766, 111532, 139415, 195181, 223064, 278830, 390362, 446128, 557660, 780724, 892256, 975905, 1115320, 1561448, 1951810, 2230640, 3122896, 3903620, 4461280, 6245792, 7807240, 15614480, 31228960]

約数ペア:

[(1, 31228960), (2, 15614480), (4, 7807240), (5, 6245792), (7, 4461280), (8, 3903620), (10, 3122896), (14, 2230640), (16, 1951810), (20, 1561448), (28, 1115320), (32, 975905), (35, 892256), (40, 780724), (56, 557660), (70, 446128), (80, 390362), (112, 278830), (140, 223064), (160, 195181), (224, 139415), (280, 111532), (560, 55766), (1120, 27883)]