80633728

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2955

約数の個数: 64

約数和(自身を含む): 189573120

約数和(自身を除く): 108939392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 2903, 3472, 3968, 5806, 6944, 11612, 13888, 20321, 23224, 27776, 40642, 46448, 81284, 89993, 92896, 162568, 179986, 185792, 325136, 359972, 371584, 629951, 650272, 719944, 1259902, 1300544, 1439888, 2519804, 2601088, 2879776, 5039608, 5759552, 10079216, 11519104, 20158432, 40316864, 80633728]

約数ペア:

[(1, 80633728), (2, 40316864), (4, 20158432), (7, 11519104), (8, 10079216), (14, 5759552), (16, 5039608), (28, 2879776), (31, 2601088), (32, 2519804), (56, 1439888), (62, 1300544), (64, 1259902), (112, 719944), (124, 650272), (128, 629951), (217, 371584), (224, 359972), (248, 325136), (434, 185792), (448, 179986), (496, 162568), (868, 92896), (896, 89993), (992, 81284), (1736, 46448), (1984, 40642), (2903, 27776), (3472, 23224), (3968, 20321), (5806, 13888), (6944, 11612)]