87744640

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 212829120

約数和(自身を除く): 125084480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1931, 2272, 2840, 3862, 4544, 5680, 7724, 9088, 9655, 11360, 15448, 19310, 22720, 30896, 38620, 45440, 61792, 77240, 123584, 137101, 154480, 247168, 274202, 308960, 548404, 617920, 685505, 1096808, 1235840, 1371010, 2193616, 2742020, 4387232, 5484040, 8774464, 10968080, 17548928, 21936160, 43872320, 87744640]

約数ペア:

[(1, 87744640), (2, 43872320), (4, 21936160), (5, 17548928), (8, 10968080), (10, 8774464), (16, 5484040), (20, 4387232), (32, 2742020), (40, 2193616), (64, 1371010), (71, 1235840), (80, 1096808), (128, 685505), (142, 617920), (160, 548404), (284, 308960), (320, 274202), (355, 247168), (568, 154480), (640, 137101), (710, 123584), (1136, 77240), (1420, 61792), (1931, 45440), (2272, 38620), (2840, 30896), (3862, 22720), (4544, 19310), (5680, 15448), (7724, 11360), (9088, 9655)]