220123235

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{4079}}^1$

素因数の和:4378

約数の個数: 16

約数和(自身を含む): 271434240

約数和(自身を除く): 51311005

約数列:

[1, 5, 43, 215, 251, 1255, 4079, 10793, 20395, 53965, 175397, 876985, 1023829, 5119145, 44024647, 220123235]

約数ペア:

[(1, 220123235), (5, 44024647), (43, 5119145), (215, 1023829), (251, 876985), (1255, 175397), (4079, 53965), (10793, 20395)]