78898240

素因数分解:

$2^6\times 5^1\times {\mathrm{246557}}^1$

素因数の和:246574

約数の個数: 28

約数和(自身を含む): 187877196

約数和(自身を除く): 108978956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246557, 493114, 986228, 1232785, 1972456, 2465570, 3944912, 4931140, 7889824, 9862280, 15779648, 19724560, 39449120, 78898240]

約数ペア:

[(1, 78898240), (2, 39449120), (4, 19724560), (5, 15779648), (8, 9862280), (10, 7889824), (16, 4931140), (20, 3944912), (32, 2465570), (40, 1972456), (64, 1232785), (80, 986228), (160, 493114), (320, 246557)]