86716640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13219}}^1$

素因数の和:13275

約数の個数: 48

約数和(自身を含む): 209880720

約数和(自身を除く): 123164080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 264380, 423008, 528760, 541979, 1057520, 1083958, 2115040, 2167916, 2709895, 4335832, 5419790, 8671664, 10839580, 17343328, 21679160, 43358320, 86716640]

約数ペア:

[(1, 86716640), (2, 43358320), (4, 21679160), (5, 17343328), (8, 10839580), (10, 8671664), (16, 5419790), (20, 4335832), (32, 2709895), (40, 2167916), (41, 2115040), (80, 1083958), (82, 1057520), (160, 541979), (164, 528760), (205, 423008), (328, 264380), (410, 211504), (656, 132190), (820, 105752), (1312, 66095), (1640, 52876), (3280, 26438), (6560, 13219)]