31993640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 82892160

約数和(自身を除く): 50898520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 701, 815, 1141, 1304, 1402, 1630, 2282, 2804, 3260, 3505, 4564, 4907, 5608, 5705, 6520, 7010, 9128, 9814, 11410, 14020, 19628, 22820, 24535, 28040, 39256, 45640, 49070, 98140, 114263, 196280, 228526, 457052, 571315, 799841, 914104, 1142630, 1599682, 2285260, 3199364, 3999205, 4570520, 6398728, 7998410, 15996820, 31993640]

約数ペア:

[(1, 31993640), (2, 15996820), (4, 7998410), (5, 6398728), (7, 4570520), (8, 3999205), (10, 3199364), (14, 2285260), (20, 1599682), (28, 1142630), (35, 914104), (40, 799841), (56, 571315), (70, 457052), (140, 228526), (163, 196280), (280, 114263), (326, 98140), (652, 49070), (701, 45640), (815, 39256), (1141, 28040), (1304, 24535), (1402, 22820), (1630, 19628), (2282, 14020), (2804, 11410), (3260, 9814), (3505, 9128), (4564, 7010), (4907, 6520), (5608, 5705)]