31666160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 78744960

約数和(自身を除く): 47078800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 251, 304, 332, 380, 415, 502, 664, 760, 830, 1004, 1255, 1328, 1520, 1577, 1660, 2008, 2510, 3154, 3320, 4016, 4769, 5020, 6308, 6640, 7885, 9538, 10040, 12616, 15770, 19076, 20080, 20833, 23845, 25232, 31540, 38152, 41666, 47690, 63080, 76304, 83332, 95380, 104165, 126160, 166664, 190760, 208330, 333328, 381520, 395827, 416660, 791654, 833320, 1583308, 1666640, 1979135, 3166616, 3958270, 6333232, 7916540, 15833080, 31666160]

約数ペア:

[(1, 31666160), (2, 15833080), (4, 7916540), (5, 6333232), (8, 3958270), (10, 3166616), (16, 1979135), (19, 1666640), (20, 1583308), (38, 833320), (40, 791654), (76, 416660), (80, 395827), (83, 381520), (95, 333328), (152, 208330), (166, 190760), (190, 166664), (251, 126160), (304, 104165), (332, 95380), (380, 83332), (415, 76304), (502, 63080), (664, 47690), (760, 41666), (830, 38152), (1004, 31540), (1255, 25232), (1328, 23845), (1520, 20833), (1577, 20080), (1660, 19076), (2008, 15770), (2510, 12616), (3154, 10040), (3320, 9538), (4016, 7885), (4769, 6640), (5020, 6308)]