40647728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 90744192

約数和(自身を除く): 50096464

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 43, 44, 82, 86, 88, 131, 164, 172, 176, 262, 328, 344, 451, 473, 524, 656, 688, 902, 946, 1048, 1441, 1763, 1804, 1892, 2096, 2882, 3526, 3608, 3784, 5371, 5633, 5764, 7052, 7216, 7568, 10742, 11266, 11528, 14104, 19393, 21484, 22532, 23056, 28208, 38786, 42968, 45064, 59081, 61963, 77572, 85936, 90128, 118162, 123926, 155144, 230953, 236324, 247852, 310288, 461906, 472648, 495704, 923812, 945296, 991408, 1847624, 2540483, 3695248, 5080966, 10161932, 20323864, 40647728]

約数ペア:

[(1, 40647728), (2, 20323864), (4, 10161932), (8, 5080966), (11, 3695248), (16, 2540483), (22, 1847624), (41, 991408), (43, 945296), (44, 923812), (82, 495704), (86, 472648), (88, 461906), (131, 310288), (164, 247852), (172, 236324), (176, 230953), (262, 155144), (328, 123926), (344, 118162), (451, 90128), (473, 85936), (524, 77572), (656, 61963), (688, 59081), (902, 45064), (946, 42968), (1048, 38786), (1441, 28208), (1763, 23056), (1804, 22532), (1892, 21484), (2096, 19393), (2882, 14104), (3526, 11528), (3608, 11266), (3784, 10742), (5371, 7568), (5633, 7216), (5764, 7052)]