15996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 38683008

約数和(自身を除く): 22686188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 701, 815, 1141, 1402, 1630, 2282, 2804, 3260, 3505, 4564, 4907, 5705, 7010, 9814, 11410, 14020, 19628, 22820, 24535, 49070, 98140, 114263, 228526, 457052, 571315, 799841, 1142630, 1599682, 2285260, 3199364, 3999205, 7998410, 15996820]

約数ペア:

[(1, 15996820), (2, 7998410), (4, 3999205), (5, 3199364), (7, 2285260), (10, 1599682), (14, 1142630), (20, 799841), (28, 571315), (35, 457052), (70, 228526), (140, 114263), (163, 98140), (326, 49070), (652, 24535), (701, 22820), (815, 19628), (1141, 14020), (1402, 11410), (1630, 9814), (2282, 7010), (2804, 5705), (3260, 4907), (3505, 4564)]