25162840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 35165960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 293, 380, 452, 565, 586, 760, 904, 1130, 1172, 1465, 2147, 2260, 2344, 2930, 4294, 4520, 5567, 5860, 8588, 10735, 11134, 11720, 17176, 21470, 22268, 27835, 33109, 42940, 44536, 55670, 66218, 85880, 111340, 132436, 165545, 222680, 264872, 331090, 629071, 662180, 1258142, 1324360, 2516284, 3145355, 5032568, 6290710, 12581420, 25162840]

約数ペア:

[(1, 25162840), (2, 12581420), (4, 6290710), (5, 5032568), (8, 3145355), (10, 2516284), (19, 1324360), (20, 1258142), (38, 662180), (40, 629071), (76, 331090), (95, 264872), (113, 222680), (152, 165545), (190, 132436), (226, 111340), (293, 85880), (380, 66218), (452, 55670), (565, 44536), (586, 42940), (760, 33109), (904, 27835), (1130, 22268), (1172, 21470), (1465, 17176), (2147, 11720), (2260, 11134), (2344, 10735), (2930, 8588), (4294, 5860), (4520, 5567)]