31967360

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 77112000

約数和(自身を除く): 45144640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 251, 320, 398, 502, 640, 796, 995, 1004, 1255, 1592, 1990, 2008, 2510, 3184, 3980, 4016, 5020, 6368, 7960, 8032, 10040, 12736, 15920, 16064, 20080, 25472, 31840, 32128, 40160, 49949, 63680, 80320, 99898, 127360, 160640, 199796, 249745, 399592, 499490, 799184, 998980, 1598368, 1997960, 3196736, 3995920, 6393472, 7991840, 15983680, 31967360]

約数ペア:

[(1, 31967360), (2, 15983680), (4, 7991840), (5, 6393472), (8, 3995920), (10, 3196736), (16, 1997960), (20, 1598368), (32, 998980), (40, 799184), (64, 499490), (80, 399592), (128, 249745), (160, 199796), (199, 160640), (251, 127360), (320, 99898), (398, 80320), (502, 63680), (640, 49949), (796, 40160), (995, 32128), (1004, 31840), (1255, 25472), (1592, 20080), (1990, 16064), (2008, 15920), (2510, 12736), (3184, 10040), (3980, 8032), (4016, 7960), (5020, 6368)]