31160720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3067}}^1$

素因数の和:3207

約数の個数: 40

約数和(自身を含む): 73042944

約数和(自身を除く): 41882224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 3067, 5080, 6134, 10160, 12268, 15335, 24536, 30670, 49072, 61340, 122680, 245360, 389509, 779018, 1558036, 1947545, 3116072, 3895090, 6232144, 7790180, 15580360, 31160720]

約数ペア:

[(1, 31160720), (2, 15580360), (4, 7790180), (5, 6232144), (8, 3895090), (10, 3116072), (16, 1947545), (20, 1558036), (40, 779018), (80, 389509), (127, 245360), (254, 122680), (508, 61340), (635, 49072), (1016, 30670), (1270, 24536), (2032, 15335), (2540, 12268), (3067, 10160), (5080, 6134)]