31964240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5220

約数の個数: 80

約数和(自身を含む): 92672640

約数和(自身を除く): 60708400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5189, 6160, 10378, 20756, 25945, 36323, 41512, 51890, 57079, 72646, 83024, 103780, 114158, 145292, 181615, 207560, 228316, 285395, 290584, 363230, 399553, 415120, 456632, 570790, 581168, 726460, 799106, 913264, 1141580, 1452920, 1598212, 1997765, 2283160, 2905840, 3196424, 3995530, 4566320, 6392848, 7991060, 15982120, 31964240]

約数ペア:

[(1, 31964240), (2, 15982120), (4, 7991060), (5, 6392848), (7, 4566320), (8, 3995530), (10, 3196424), (11, 2905840), (14, 2283160), (16, 1997765), (20, 1598212), (22, 1452920), (28, 1141580), (35, 913264), (40, 799106), (44, 726460), (55, 581168), (56, 570790), (70, 456632), (77, 415120), (80, 399553), (88, 363230), (110, 290584), (112, 285395), (140, 228316), (154, 207560), (176, 181615), (220, 145292), (280, 114158), (308, 103780), (385, 83024), (440, 72646), (560, 57079), (616, 51890), (770, 41512), (880, 36323), (1232, 25945), (1540, 20756), (3080, 10378), (5189, 6160)]