7988480

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^2$

素因数の和:179

約数の個数: 54

約数和(自身を含む): 19380186

約数和(自身を除く): 11391706

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6241, 6320, 10112, 12482, 12640, 20224, 24964, 25280, 31205, 49928, 50560, 62410, 99856, 101120, 124820, 199712, 249640, 399424, 499280, 798848, 998560, 1597696, 1997120, 3994240, 7988480]

約数ペア:

[(1, 7988480), (2, 3994240), (4, 1997120), (5, 1597696), (8, 998560), (10, 798848), (16, 499280), (20, 399424), (32, 249640), (40, 199712), (64, 124820), (79, 101120), (80, 99856), (128, 62410), (158, 50560), (160, 49928), (256, 31205), (316, 25280), (320, 24964), (395, 20224), (632, 12640), (640, 12482), (790, 10112), (1264, 6320), (1280, 6241), (1580, 5056), (2528, 3160)]