38887240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138883}}^1$

素因数の和:138901

約数の個数: 32

約数和(自身を含む): 99996480

約数和(自身を除く): 61109240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138883, 277766, 555532, 694415, 972181, 1111064, 1388830, 1944362, 2777660, 3888724, 4860905, 5555320, 7777448, 9721810, 19443620, 38887240]

約数ペア:

[(1, 38887240), (2, 19443620), (4, 9721810), (5, 7777448), (7, 5555320), (8, 4860905), (10, 3888724), (14, 2777660), (20, 1944362), (28, 1388830), (35, 1111064), (40, 972181), (56, 694415), (70, 555532), (140, 277766), (280, 138883)]