31403960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5903}}^1$

素因数の和:5940

約数の個数: 64

約数和(自身を含む): 85017600

約数和(自身を除く): 53613640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5903, 11806, 23612, 29515, 41321, 47224, 59030, 82642, 112157, 118060, 165284, 206605, 224314, 236120, 330568, 413210, 448628, 560785, 785099, 826420, 897256, 1121570, 1570198, 1652840, 2243140, 3140396, 3925495, 4486280, 6280792, 7850990, 15701980, 31403960]

約数ペア:

[(1, 31403960), (2, 15701980), (4, 7850990), (5, 6280792), (7, 4486280), (8, 3925495), (10, 3140396), (14, 2243140), (19, 1652840), (20, 1570198), (28, 1121570), (35, 897256), (38, 826420), (40, 785099), (56, 560785), (70, 448628), (76, 413210), (95, 330568), (133, 236120), (140, 224314), (152, 206605), (190, 165284), (266, 118060), (280, 112157), (380, 82642), (532, 59030), (665, 47224), (760, 41321), (1064, 29515), (1330, 23612), (2660, 11806), (5320, 5903)]