77778080

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4813}}^1$

素因数の和:4929

約数の個数: 48

約数和(自身を含む): 185608584

約数和(自身を除く): 107830504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4813, 8080, 9626, 16160, 19252, 24065, 38504, 48130, 77008, 96260, 154016, 192520, 385040, 486113, 770080, 972226, 1944452, 2430565, 3888904, 4861130, 7777808, 9722260, 15555616, 19444520, 38889040, 77778080]

約数ペア:

[(1, 77778080), (2, 38889040), (4, 19444520), (5, 15555616), (8, 9722260), (10, 7777808), (16, 4861130), (20, 3888904), (32, 2430565), (40, 1944452), (80, 972226), (101, 770080), (160, 486113), (202, 385040), (404, 192520), (505, 154016), (808, 96260), (1010, 77008), (1616, 48130), (2020, 38504), (3232, 24065), (4040, 19252), (4813, 16160), (8080, 9626)]