51243760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33713}}^1$

素因数の和:33745

約数の個数: 40

約数和(自身を含む): 125416080

約数和(自身を除く): 74172320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33713, 67426, 134852, 168565, 269704, 337130, 539408, 640547, 674260, 1281094, 1348520, 2562188, 2697040, 3202735, 5124376, 6405470, 10248752, 12810940, 25621880, 51243760]

約数ペア:

[(1, 51243760), (2, 25621880), (4, 12810940), (5, 10248752), (8, 6405470), (10, 5124376), (16, 3202735), (19, 2697040), (20, 2562188), (38, 1348520), (40, 1281094), (76, 674260), (80, 640547), (95, 539408), (152, 337130), (190, 269704), (304, 168565), (380, 134852), (760, 67426), (1520, 33713)]