40808516

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 84260736

約数和(自身を除く): 43452220

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 107, 212, 214, 257, 371, 428, 514, 742, 749, 1028, 1484, 1498, 1799, 2996, 3598, 5671, 7196, 11342, 13621, 22684, 27242, 27499, 39697, 54484, 54998, 79394, 95347, 109996, 158788, 190694, 192493, 381388, 384986, 769972, 1457447, 2914894, 5829788, 10202129, 20404258, 40808516]

約数ペア:

[(1, 40808516), (2, 20404258), (4, 10202129), (7, 5829788), (14, 2914894), (28, 1457447), (53, 769972), (106, 384986), (107, 381388), (212, 192493), (214, 190694), (257, 158788), (371, 109996), (428, 95347), (514, 79394), (742, 54998), (749, 54484), (1028, 39697), (1484, 27499), (1498, 27242), (1799, 22684), (2996, 13621), (3598, 11342), (5671, 7196)]