16247540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 35758800

約数和(自身を除く): 19511260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 257, 290, 436, 514, 545, 580, 1028, 1090, 1285, 2180, 2570, 3161, 5140, 6322, 7453, 12644, 14906, 15805, 28013, 29812, 31610, 37265, 56026, 63220, 74530, 112052, 140065, 149060, 280130, 560260, 812377, 1624754, 3249508, 4061885, 8123770, 16247540]

約数ペア:

[(1, 16247540), (2, 8123770), (4, 4061885), (5, 3249508), (10, 1624754), (20, 812377), (29, 560260), (58, 280130), (109, 149060), (116, 140065), (145, 112052), (218, 74530), (257, 63220), (290, 56026), (436, 37265), (514, 31610), (545, 29812), (580, 28013), (1028, 15805), (1090, 14906), (1285, 12644), (2180, 7453), (2570, 6322), (3161, 5140)]