78350080

素因数分解:

$2^8\times 5^1\times {\mathrm{61211}}^1$

素因数の和:61232

約数の個数: 36

約数和(自身を含む): 187675992

約数和(自身を除く): 109325912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 61211, 122422, 244844, 306055, 489688, 612110, 979376, 1224220, 1958752, 2448440, 3917504, 4896880, 7835008, 9793760, 15670016, 19587520, 39175040, 78350080]

約数ペア:

[(1, 78350080), (2, 39175040), (4, 19587520), (5, 15670016), (8, 9793760), (10, 7835008), (16, 4896880), (20, 3917504), (32, 2448440), (40, 1958752), (64, 1224220), (80, 979376), (128, 612110), (160, 489688), (256, 306055), (320, 244844), (640, 122422), (1280, 61211)]