260035840

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 626347008

約数和(自身を除く): 366311168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 640, 892, 911, 1115, 1280, 1784, 1822, 2230, 3568, 3644, 4460, 4555, 7136, 7288, 8920, 9110, 14272, 14576, 17840, 18220, 28544, 29152, 35680, 36440, 57088, 58304, 71360, 72880, 116608, 142720, 145760, 203153, 233216, 285440, 291520, 406306, 583040, 812612, 1015765, 1166080, 1625224, 2031530, 3250448, 4063060, 6500896, 8126120, 13001792, 16252240, 26003584, 32504480, 52007168, 65008960, 130017920, 260035840]

約数ペア:

[(1, 260035840), (2, 130017920), (4, 65008960), (5, 52007168), (8, 32504480), (10, 26003584), (16, 16252240), (20, 13001792), (32, 8126120), (40, 6500896), (64, 4063060), (80, 3250448), (128, 2031530), (160, 1625224), (223, 1166080), (256, 1015765), (320, 812612), (446, 583040), (640, 406306), (892, 291520), (911, 285440), (1115, 233216), (1280, 203153), (1784, 145760), (1822, 142720), (2230, 116608), (3568, 72880), (3644, 71360), (4460, 58304), (4555, 57088), (7136, 36440), (7288, 35680), (8920, 29152), (9110, 28544), (14272, 18220), (14576, 17840)]