64498220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 138915840

約数和(自身を除く): 74417620

約数列:

[1, 2, 4, 5, 10, 20, 67, 127, 134, 254, 268, 335, 379, 508, 635, 670, 758, 1270, 1340, 1516, 1895, 2540, 3790, 7580, 8509, 17018, 25393, 34036, 42545, 48133, 50786, 85090, 96266, 101572, 126965, 170180, 192532, 240665, 253930, 481330, 507860, 962660, 3224911, 6449822, 12899644, 16124555, 32249110, 64498220]

約数ペア:

[(1, 64498220), (2, 32249110), (4, 16124555), (5, 12899644), (10, 6449822), (20, 3224911), (67, 962660), (127, 507860), (134, 481330), (254, 253930), (268, 240665), (335, 192532), (379, 170180), (508, 126965), (635, 101572), (670, 96266), (758, 85090), (1270, 50786), (1340, 48133), (1516, 42545), (1895, 34036), (2540, 25393), (3790, 17018), (7580, 8509)]