80409728

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5279}}^1$

素因数の和:5317

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 113471872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1904, 2176, 3808, 5279, 7616, 10558, 15232, 21116, 36953, 42232, 73906, 84464, 89743, 147812, 168928, 179486, 295624, 337856, 358972, 591248, 628201, 675712, 717944, 1182496, 1256402, 1435888, 2364992, 2512804, 2871776, 4729984, 5025608, 5743552, 10051216, 11487104, 20102432, 40204864, 80409728]

約数ペア:

[(1, 80409728), (2, 40204864), (4, 20102432), (7, 11487104), (8, 10051216), (14, 5743552), (16, 5025608), (17, 4729984), (28, 2871776), (32, 2512804), (34, 2364992), (56, 1435888), (64, 1256402), (68, 1182496), (112, 717944), (119, 675712), (128, 628201), (136, 591248), (224, 358972), (238, 337856), (272, 295624), (448, 179486), (476, 168928), (544, 147812), (896, 89743), (952, 84464), (1088, 73906), (1904, 42232), (2176, 36953), (3808, 21116), (5279, 15232), (7616, 10558)]