90194240

素因数分解:

$2^6\times 5^1\times {\mathrm{281857}}^1$

素因数の和:281874

約数の個数: 28

約数和(自身を含む): 214775796

約数和(自身を除く): 124581556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 281857, 563714, 1127428, 1409285, 2254856, 2818570, 4509712, 5637140, 9019424, 11274280, 18038848, 22548560, 45097120, 90194240]

約数ペア:

[(1, 90194240), (2, 45097120), (4, 22548560), (5, 18038848), (8, 11274280), (10, 9019424), (16, 5637140), (20, 4509712), (32, 2818570), (40, 2254856), (64, 1409285), (80, 1127428), (160, 563714), (320, 281857)]