40217984

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 88128000

約数和(自身を除く): 47910016

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 368, 437, 608, 719, 736, 874, 1216, 1438, 1472, 1748, 2432, 2876, 2944, 3496, 5752, 6992, 11504, 13661, 13984, 16537, 23008, 27322, 27968, 33074, 46016, 54644, 55936, 66148, 92032, 109288, 132296, 218576, 264592, 314203, 437152, 529184, 628406, 874304, 1058368, 1256812, 1748608, 2116736, 2513624, 5027248, 10054496, 20108992, 40217984]

約数ペア:

[(1, 40217984), (2, 20108992), (4, 10054496), (8, 5027248), (16, 2513624), (19, 2116736), (23, 1748608), (32, 1256812), (38, 1058368), (46, 874304), (64, 628406), (76, 529184), (92, 437152), (128, 314203), (152, 264592), (184, 218576), (304, 132296), (368, 109288), (437, 92032), (608, 66148), (719, 55936), (736, 54644), (874, 46016), (1216, 33074), (1438, 27968), (1472, 27322), (1748, 23008), (2432, 16537), (2876, 13984), (2944, 13661), (3496, 11504), (5752, 6992)]