7807240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27883}}^1$

素因数の和:27901

約数の個数: 32

約数和(自身を含む): 20076480

約数和(自身を除く): 12269240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27883, 55766, 111532, 139415, 195181, 223064, 278830, 390362, 557660, 780724, 975905, 1115320, 1561448, 1951810, 3903620, 7807240]

約数ペア:

[(1, 7807240), (2, 3903620), (4, 1951810), (5, 1561448), (7, 1115320), (8, 975905), (10, 780724), (14, 557660), (20, 390362), (28, 278830), (35, 223064), (40, 195181), (56, 139415), (70, 111532), (140, 55766), (280, 27883)]