40143872

素因数分解:

$2^{10}\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 44

約数和(自身を含む): 81061200

約数和(自身を除く): 40917328

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 199, 256, 394, 398, 512, 788, 796, 1024, 1576, 1592, 3152, 3184, 6304, 6368, 12608, 12736, 25216, 25472, 39203, 50432, 50944, 78406, 100864, 101888, 156812, 201728, 203776, 313624, 627248, 1254496, 2508992, 5017984, 10035968, 20071936, 40143872]

約数ペア:

[(1, 40143872), (2, 20071936), (4, 10035968), (8, 5017984), (16, 2508992), (32, 1254496), (64, 627248), (128, 313624), (197, 203776), (199, 201728), (256, 156812), (394, 101888), (398, 100864), (512, 78406), (788, 50944), (796, 50432), (1024, 39203), (1576, 25472), (1592, 25216), (3152, 12736), (3184, 12608), (6304, 6368)]