80492480

素因数分解:

$2^6\times 5^1\times {\mathrm{251539}}^1$

素因数の和:251556

約数の個数: 28

約数和(自身を含む): 191673480

約数和(自身を除く): 111181000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251539, 503078, 1006156, 1257695, 2012312, 2515390, 4024624, 5030780, 8049248, 10061560, 16098496, 20123120, 40246240, 80492480]

約数ペア:

[(1, 80492480), (2, 40246240), (4, 20123120), (5, 16098496), (8, 10061560), (10, 8049248), (16, 5030780), (20, 4024624), (32, 2515390), (40, 2012312), (64, 1257695), (80, 1006156), (160, 503078), (320, 251539)]