77791840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69457}}^1$

素因数の和:69479

約数の個数: 48

約数和(自身を含む): 210040992

約数和(自身を除く): 132249152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69457, 138914, 277828, 347285, 486199, 555656, 694570, 972398, 1111312, 1389140, 1944796, 2222624, 2430995, 2778280, 3889592, 4861990, 5556560, 7779184, 9723980, 11113120, 15558368, 19447960, 38895920, 77791840]

約数ペア:

[(1, 77791840), (2, 38895920), (4, 19447960), (5, 15558368), (7, 11113120), (8, 9723980), (10, 7779184), (14, 5556560), (16, 4861990), (20, 3889592), (28, 2778280), (32, 2430995), (35, 2222624), (40, 1944796), (56, 1389140), (70, 1111312), (80, 972398), (112, 694570), (140, 555656), (160, 486199), (224, 347285), (280, 277828), (560, 138914), (1120, 69457)]