31170760

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2963}}^1$

素因数の和:3237

約数の個数: 32

約数和(自身を含む): 70424640

約数和(自身を除く): 39253880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2963, 5260, 5926, 10520, 11852, 14815, 23704, 29630, 59260, 118520, 779269, 1558538, 3117076, 3896345, 6234152, 7792690, 15585380, 31170760]

約数ペア:

[(1, 31170760), (2, 15585380), (4, 7792690), (5, 6234152), (8, 3896345), (10, 3117076), (20, 1558538), (40, 779269), (263, 118520), (526, 59260), (1052, 29630), (1315, 23704), (2104, 14815), (2630, 11852), (2963, 10520), (5260, 5926)]