2563810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 4914432

約数和(自身を除く): 2350622

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 157, 230, 314, 355, 710, 785, 1570, 1633, 3266, 3611, 7222, 8165, 11147, 16330, 18055, 22294, 36110, 55735, 111470, 256381, 512762, 1281905, 2563810]

約数ペア:

[(1, 2563810), (2, 1281905), (5, 512762), (10, 256381), (23, 111470), (46, 55735), (71, 36110), (115, 22294), (142, 18055), (157, 16330), (230, 11147), (314, 8165), (355, 7222), (710, 3611), (785, 3266), (1570, 1633)]