65554240

素因数分解:

$2^6\times 5^1\times {\mathrm{204857}}^1$

素因数の和:204874

約数の個数: 28

約数和(自身を含む): 156101796

約数和(自身を除く): 90547556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204857, 409714, 819428, 1024285, 1638856, 2048570, 3277712, 4097140, 6555424, 8194280, 13110848, 16388560, 32777120, 65554240]

約数ペア:

[(1, 65554240), (2, 32777120), (4, 16388560), (5, 13110848), (8, 8194280), (10, 6555424), (16, 4097140), (20, 3277712), (32, 2048570), (40, 1638856), (64, 1024285), (80, 819428), (160, 409714), (320, 204857)]